15112315650 has 48 divisors (see below), whose sum is σ = 38037949344. Its totient is φ = 3969799680.

The previous prime is 15112315649. The next prime is 15112315651. The reversal of 15112315650 is 5651321151.

It is an interprime number because it is at equal distance from previous prime (15112315649) and next prime (15112315651).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (15112315651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 741807 + ... + 761906.

It is an arithmetic number, because the mean of its divisors is an integer number (792457278).

Almost surely, 2^15112315650 is an apocalyptic number.

15112315650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15112315650 is an abundant number, since it is smaller than the sum of its proper divisors (22925633694).

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

15112315650 is a wasteful number, since it uses less digits than its factorization.

15112315650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503795 (or 1503790 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 15112315650 in words is "fifteen billion, one hundred twelve million, three hundred fifteen thousand, six hundred fifty".