155032253252 has 12 divisors (see below), whose sum is σ = 271526846976. Its totient is φ = 77453154120.

The previous prime is 155032253239. The next prime is 155032253267. The reversal of 155032253252 is 252352230551.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 15737588 + ... + 15747435.

It is an arithmetic number, because the mean of its divisors is an integer number (22627237248).

Almost surely, 2^155032253252 is an apocalyptic number.

It is an amenable number.

155032253252 is a deficient number, since it is larger than the sum of its proper divisors (116494593724).

155032253252 is a wasteful number, since it uses less digits than its factorization.

155032253252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31486258 (or 31486256 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 155032253252 in words is "one hundred fifty-five billion, thirty-two million, two hundred fifty-three thousand, two hundred fifty-two".