15120502112 has 48 divisors (see below), whose sum is σ = 30915605952. Its totient is φ = 7274171520.

The previous prime is 15120502091. The next prime is 15120502139. The reversal of 15120502112 is 21120502151.

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, 10187 + ... + 174197.

It is an arithmetic number, because the mean of its divisors is an integer number (644075124).

Almost surely, 2^15120502112 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 15120502112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15457802976).

15120502112 is an abundant number, since it is smaller than the sum of its proper divisors (15795103840).

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

15120502112 is a wasteful number, since it uses less digits than its factorization.

15120502112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164131 (or 164123 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 15120502112 in words is "fifteen billion, one hundred twenty million, five hundred two thousand, one hundred twelve".