15127973120 has 72 divisors (see below), whose sum is σ = 39023667816. Its totient is φ = 5585707008.

The previous prime is 15127973117. The next prime is 15127973137. The reversal of 15127973120 is 2137972151.

It can be written as a sum of positive squares in 4 ways, for example, as 1010731264 + 14117241856 = 31792^2 + 118816^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 437927 + ... + 471206.

Almost surely, 2^15127973120 is an apocalyptic number.

15127973120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15127973120 is an abundant number, since it is smaller than the sum of its proper divisors (23895694696).

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

15127973120 is an equidigital number, since it uses as much as digits as its factorization.

15127973120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909167 (or 909153 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The spelling of 15127973120 in words is "fifteen billion, one hundred twenty-seven million, nine hundred seventy-three thousand, one hundred twenty".