155116565156 has 12 divisors (see below), whose sum is σ = 310233130368. Its totient is φ = 66478527912.

The previous prime is 155116565141. The next prime is 155116565203. The reversal of 155116565156 is 651565611551.

155116565156 is an admirable number.

It is a super-2 number, since 2×155116565156² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155116565156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2769938636 + ... + 2769938691.

It is an arithmetic number, because the mean of its divisors is an integer number (25852760864).

Almost surely, 2^155116565156 is an apocalyptic number.

It is an amenable number.

155116565156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155116565156 is a wasteful number, since it uses less digits than its factorization.

155116565156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539877338 (or 5539877336 counting only the distinct ones).

The product of its digits is 675000, while the sum is 47.

The spelling of 155116565156 in words is "one hundred fifty-five billion, one hundred sixteen million, five hundred sixty-five thousand, one hundred fifty-six".