Search a number
-
+
16115151106111 = 712271171853873
BaseRepresentation
bin1110101010000001100111…
…0110110111000000111111
32010001121000120220002021111
43222200121312313000333
54103012312140343421
654135110451542451
73252165316201141
oct352403166670077
963047016802244
1016115151106111
115153440750872
1219832835baa27
138cb862c3c2a5
143d9d98298c91
151ce2d3326ee1
hexea819db703f

16115151106111 has 16 divisors (see below), whose sum is σ = 16428153224448. Its totient is φ = 15804658396800.

The previous prime is 16115151106097. The next prime is 16115151106147. The reversal of 16115151106111 is 11160115151161.

It is a cyclic number.

It is not a de Polignac number, because 16115151106111 - 237 = 15977712152639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16115151106811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18446071 + ... + 19299943.

It is an arithmetic number, because the mean of its divisors is an integer number (1026759576528).

Almost surely, 216115151106111 is an apocalyptic number.

16115151106111 is a deficient number, since it is larger than the sum of its proper divisors (313002118337).

16115151106111 is a wasteful number, since it uses less digits than its factorization.

16115151106111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855342.

The product of its (nonzero) digits is 900, while the sum is 31.

Adding to 16115151106111 its reverse (11160115151161), we get a palindrome (27275266257272).

The spelling of 16115151106111 in words is "sixteen trillion, one hundred fifteen billion, one hundred fifty-one million, one hundred six thousand, one hundred eleven".

Divisors: 1 71 227 1171 16117 83141 265817 853873 18873007 60624983 193829171 999885283 13761871141 70991855093 226973959241 16115151106111