15155425250 has 64 divisors (see below), whose sum is σ = 33178159872. Its totient is φ = 5075280000.

The previous prime is 15155425223. The next prime is 15155425261. The reversal of 15155425250 is 5252455151.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 15155425250.

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, 25451 + ... + 175950.

It is an arithmetic number, because the mean of its divisors is an integer number (518408748).

Almost surely, 2^15155425250 is an apocalyptic number.

15155425250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15155425250 is an abundant number, since it is smaller than the sum of its proper divisors (18022734622).

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

15155425250 is a wasteful number, since it uses less digits than its factorization.

15155425250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201468 (or 201458 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 15155425250 in words is "fifteen billion, one hundred fifty-five million, four hundred twenty-five thousand, two hundred fifty".