155132255500 has 24 divisors (see below), whose sum is σ = 338808847104. Its totient is φ = 62052902000.

The previous prime is 155132255461. The next prime is 155132255519. The reversal of 155132255500 is 5552231551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155131756 + ... + 155132755.

It is an arithmetic number, because the mean of its divisors is an integer number (14117035296).

Almost surely, 2^155132255500 is an apocalyptic number.

155132255500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155132255500 is an abundant number, since it is smaller than the sum of its proper divisors (183676591604).

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

155132255500 is a wasteful number, since it uses less digits than its factorization.

155132255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310264530 (or 310264518 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 155132255500 in words is "one hundred fifty-five billion, one hundred thirty-two million, two hundred fifty-five thousand, five hundred".