155112053355 has 128 divisors (see below), whose sum is σ = 326303078400. Its totient is φ = 68402880000.

The previous prime is 155112053269. The next prime is 155112053381. The reversal of 155112053355 is 553350211551.

155112053355 is a `hidden beast` number, since 1 + 5 + 5 + 112 + 0 + 533 + 5 + 5 = 666.

It is not a de Polignac number, because 155112053355 - 2³⁴ = 137932184171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47710480 + ... + 47713730.

It is an arithmetic number, because the mean of its divisors is an integer number (2549242800).

Almost surely, 2^155112053355 is an apocalyptic number.

155112053355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155112053355 is an abundant number, since it is smaller than the sum of its proper divisors (171191025045).

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

155112053355 is a wasteful number, since it uses less digits than its factorization.

155112053355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 155112053355 in words is "one hundred fifty-five billion, one hundred twelve million, fifty-three thousand, three hundred fifty-five".