155015260504 has 32 divisors (see below), whose sum is σ = 319671414720. Its totient is φ = 70023257856.

The previous prime is 155015260501. The next prime is 155015260511. The reversal of 155015260504 is 405062510551.

It is a self number, because there is not a number n which added to its sum of digits gives 155015260504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155015260501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15851829 + ... + 15861604.

It is an arithmetic number, because the mean of its divisors is an integer number (9989731710).

Almost surely, 2^155015260504 is an apocalyptic number.

It is an amenable number.

155015260504 is an abundant number, since it is smaller than the sum of its proper divisors (164656154216).

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

155015260504 is a wasteful number, since it uses less digits than its factorization.

155015260504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31713499 (or 31713495 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 155015260504 in words is "one hundred fifty-five billion, fifteen million, two hundred sixty thousand, five hundred four".