155053875504 has 160 divisors (see below), whose sum is σ = 456238656000. Its totient is φ = 44916551680.

The previous prime is 155053875497. The next prime is 155053875521. The reversal of 155053875504 is 405578350551.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30952552 + ... + 30957560.

It is an arithmetic number, because the mean of its divisors is an integer number (2851491600).

Almost surely, 2^155053875504 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 155053875504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228119328000).

155053875504 is an abundant number, since it is smaller than the sum of its proper divisors (301184780496).

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

155053875504 is a wasteful number, since it uses less digits than its factorization.

155053875504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603 (or 7597 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 155053875504 in words is "one hundred fifty-five billion, fifty-three million, eight hundred seventy-five thousand, five hundred four".