155024052512 has 96 divisors (see below), whose sum is σ = 357786616320. Its totient is φ = 64740326400.

The previous prime is 155024052493. The next prime is 155024052523. The reversal of 155024052512 is 215250420551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 2378762 + ... + 2443062.

It is an arithmetic number, because the mean of its divisors is an integer number (3726943920).

Almost surely, 2^155024052512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155024052512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178893308160).

155024052512 is an abundant number, since it is smaller than the sum of its proper divisors (202762563808).

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

155024052512 is a wasteful number, since it uses less digits than its factorization.

155024052512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64594 (or 64586 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 155024052512 in words is "one hundred fifty-five billion, twenty-four million, fifty-two thousand, five hundred twelve".