155345111256 has 32 divisors (see below), whose sum is σ = 405248117760. Its totient is φ = 49530325152.

The previous prime is 155345111239. The next prime is 155345111261. The reversal of 155345111256 is 652111543551.

It is a super-2 number, since 2×155345111256² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140710600 + ... + 140711703.

It is an arithmetic number, because the mean of its divisors is an integer number (12664003680).

Almost surely, 2^155345111256 is an apocalyptic number.

It is an amenable number.

155345111256 is an abundant number, since it is smaller than the sum of its proper divisors (249903006504).

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

155345111256 is a wasteful number, since it uses less digits than its factorization.

155345111256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281422335 (or 281422331 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

The spelling of 155345111256 in words is "one hundred fifty-five billion, three hundred forty-five million, one hundred eleven thousand, two hundred fifty-six".