15012131560 has 16 divisors (see below), whose sum is σ = 33777296100. Its totient is φ = 6004852608.

The previous prime is 15012131551. The next prime is 15012131567. The reversal of 15012131560 is 6513121051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14161476004 + 850655556 = 119002^2 + 29166^2 .

It is not an unprimeable number, because it can be changed into a prime (15012131567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187651605 + ... + 187651684.

Almost surely, 2^15012131560 is an apocalyptic number.

15012131560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15012131560 is an abundant number, since it is smaller than the sum of its proper divisors (18765164540).

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

15012131560 is a wasteful number, since it uses less digits than its factorization.

15012131560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375303300 (or 375303296 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 15012131560 in words is "fifteen billion, twelve million, one hundred thirty-one thousand, five hundred sixty".