15131120250 has 128 divisors (see below), whose sum is σ = 39852933120. Its totient is φ = 3813192000.

The previous prime is 15131120237. The next prime is 15131120261. The reversal of 15131120250 is 5202113151.

15131120250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7166695 + ... + 7168805.

It is an arithmetic number, because the mean of its divisors is an integer number (311351040).

Almost surely, 2^15131120250 is an apocalyptic number.

15131120250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15131120250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19926466560).

15131120250 is an abundant number, since it is smaller than the sum of its proper divisors (24721812870).

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

15131120250 is a wasteful number, since it uses less digits than its factorization.

15131120250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 15131120250 in words is "fifteen billion, one hundred thirty-one million, one hundred twenty thousand, two hundred fifty".