15251313012 has 24 divisors (see below), whose sum is σ = 38323812576. Its totient is φ = 4692711648.

The previous prime is 15251313001. The next prime is 15251313031. The reversal of 15251313012 is 21031315251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48882258 + ... + 48882569.

It is an arithmetic number, because the mean of its divisors is an integer number (1596825524).

Almost surely, 2^15251313012 is an apocalyptic number.

15251313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15251313012 is an abundant number, since it is smaller than the sum of its proper divisors (23072499564).

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

15251313012 is a wasteful number, since it uses less digits than its factorization.

15251313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97764847 (or 97764845 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 15251313012 its reverse (21031315251), we get a palindrome (36282628263).

The spelling of 15251313012 in words is "fifteen billion, two hundred fifty-one million, three hundred thirteen thousand, twelve".