15000315156 has 42 divisors (see below), whose sum is σ = 39357830442. Its totient is φ = 5000104080.

The previous prime is 15000315139. The next prime is 15000315157. The reversal of 15000315156 is 65151300051.

15000315156 is a `hidden beast` number, since 1 + 500 + 0 + 3 + 1 + 5 + 156 = 666.

15000315156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11042647056 + 3957668100 = 105084^2 + 62910^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000315157) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 2569155 + ... + 2574986.

It is an arithmetic number, because the mean of its divisors is an integer number (937091201).

Almost surely, 2^15000315156 is an apocalyptic number.

It is an amenable number.

15000315156 is an abundant number, since it is smaller than the sum of its proper divisors (24357515286).

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

15000315156 is an equidigital number, since it uses as much as digits as its factorization.

15000315156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144163 (or 5144146 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 15000315156 in words is "fifteen billion, three hundred fifteen thousand, one hundred fifty-six".