155169900755 has 16 divisors (see below), whose sum is σ = 187172856000. Its totient is φ = 123490160640.

The previous prime is 155169900713. The next prime is 155169900763. The reversal of 155169900755 is 557009961551.

It is a de Polignac number, because none of the positive numbers 2^k-155169900755 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155169900697 and 155169900706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7791851 + ... + 7811739.

It is an arithmetic number, because the mean of its divisors is an integer number (11698303500).

Almost surely, 2^155169900755 is an apocalyptic number.

155169900755 is a deficient number, since it is larger than the sum of its proper divisors (32002955245).

155169900755 is a wasteful number, since it uses less digits than its factorization.

155169900755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27934.

The product of its (nonzero) digits is 2126250, while the sum is 53.

The spelling of 155169900755 in words is "one hundred fifty-five billion, one hundred sixty-nine million, nine hundred thousand, seven hundred fifty-five".