15131245050 has 36 divisors (see below), whose sum is σ = 40652612910. Its totient is φ = 4034998560.

The previous prime is 15131245039. The next prime is 15131245067. The reversal of 15131245050 is 5054213151.

15131245050 is a `hidden beast` number, since 1 + 5 + 131 + 24 + 505 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13723419609 + 1407825441 = 117147^2 + 37521^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16812045 + ... + 16812944.

Almost surely, 2^15131245050 is an apocalyptic number.

15131245050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15131245050 is an abundant number, since it is smaller than the sum of its proper divisors (25521367860).

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

15131245050 is a wasteful number, since it uses less digits than its factorization.

15131245050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33625007 (or 33624999 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 15131245050 in words is "fifteen billion, one hundred thirty-one million, two hundred forty-five thousand, fifty".