15139311012 has 36 divisors (see below), whose sum is σ = 43735788096. Its totient is φ = 4325517360.

The previous prime is 15139311007. The next prime is 15139311013. The reversal of 15139311012 is 21011393151.

It is a happy number.

15139311012 is a `hidden beast` number, since 151 + 393 + 110 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (15139311013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30038064 + ... + 30038567.

Almost surely, 2^15139311012 is an apocalyptic number.

15139311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15139311012 is an abundant number, since it is smaller than the sum of its proper divisors (28596477084).

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

15139311012 is a wasteful number, since it uses less digits than its factorization.

15139311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60076648 (or 60076643 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The spelling of 15139311012 in words is "fifteen billion, one hundred thirty-nine million, three hundred eleven thousand, twelve".