155091329252 has 12 divisors (see below), whose sum is σ = 277184503680. Its totient is φ = 75895756776.

The previous prime is 155091329243. The next prime is 155091329291. The reversal of 155091329252 is 252923190551.

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, 412476752 + ... + 412477127.

It is an arithmetic number, because the mean of its divisors is an integer number (23098708640).

Almost surely, 2^155091329252 is an apocalyptic number.

It is an amenable number.

155091329252 is a deficient number, since it is larger than the sum of its proper divisors (122093174428).

155091329252 is a wasteful number, since it uses less digits than its factorization.

155091329252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824953930 (or 824953928 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 155091329252 in words is "one hundred fifty-five billion, ninety-one million, three hundred twenty-nine thousand, two hundred fifty-two".