Search a number
-
+
1110111061 is a prime number
BaseRepresentation
bin100001000101010…
…1111001101010101
32212100212111002111
41002022233031111
54233142023221
6302053311021
736336534253
oct10212571525
92770774074
101110111061
1151a6a0964
1226b935471
13148cb0c67
14a76115d3
15676d1be1
hex422af355

1110111061 has 2 divisors, whose sum is σ = 1110111062. Its totient is φ = 1110111060.

The previous prime is 1110111059. The next prime is 1110111089. The reversal of 1110111061 is 1601110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 626550961 + 483560100 = 25031^2 + 21990^2 .

It is an emirp because it is prime and its reverse (1601110111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110111061 - 21 = 1110111059 is a prime.

Together with 1110111059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110141061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055530 + 555055531.

It is an arithmetic number, because the mean of its divisors is an integer number (555055531).

Almost surely, 21110111061 is an apocalyptic number.

It is an amenable number.

1110111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110111061 is an equidigital number, since it uses as much as digits as its factorization.

1110111061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

The square root of 1110111061 is about 33318.3292048086. The cubic root of 1110111061 is about 1035.4333365570.

Adding to 1110111061 its reverse (1601110111), we get a palindrome (2711221172).

The spelling of 1110111061 in words is "one billion, one hundred ten million, one hundred eleven thousand, sixty-one".