Search a number
-
+
1111110440225 = 52231932365983
BaseRepresentation
bin10000001010110011010…
…101111101010100100001
310221012222012022121110212
4100022303111331110201
5121201023233041400
62210234224503505
7143163231624362
oct20126325752441
93835865277425
101111110440225
113992459711a5
1215b41077ab95
1380a14860466
143bac6cc5b69
151dd810a8335
hex102b357d521

1111110440225 has 12 divisors (see below), whose sum is σ = 1437680292096. Its totient is φ = 850241032080.

The previous prime is 1111110440221. The next prime is 1111110440257. The reversal of 1111110440225 is 5220440111111.

It is not a de Polignac number, because 1111110440225 - 22 = 1111110440221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111110440225.

It is not an unprimeable number, because it can be changed into a prime (1111110440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966182417 + ... + 966183566.

It is an arithmetic number, because the mean of its divisors is an integer number (119806691008).

Almost surely, 21111110440225 is an apocalyptic number.

It is an amenable number.

1111110440225 is a deficient number, since it is larger than the sum of its proper divisors (326569851871).

1111110440225 is a wasteful number, since it uses less digits than its factorization.

1111110440225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932366016 (or 1932366011 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 1111110440225 its reverse (5220440111111), we get a palindrome (6331550551336).

The spelling of 1111110440225 in words is "one trillion, one hundred eleven billion, one hundred ten million, four hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 23 25 115 575 1932365983 9661829915 44444417609 48309149575 222222088045 1111110440225