15039077872 has 80 divisors (see below), whose sum is σ = 36145242112. Its totient is φ = 5902606080.

The previous prime is 15039077869. The next prime is 15039077891. The reversal of 15039077872 is 27877093051.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144247 + ... + 225577.

Almost surely, 2^15039077872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15039077872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18072621056).

15039077872 is an abundant number, since it is smaller than the sum of its proper divisors (21106164240).

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

15039077872 is a wasteful number, since it uses less digits than its factorization.

15039077872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81486 (or 81480 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 15039077872 in words is "fifteen billion, thirty-nine million, seventy-seven thousand, eight hundred seventy-two".