15720150052 has 12 divisors (see below), whose sum is σ = 27649909980. Its totient is φ = 7820175776.

The previous prime is 15720150049. The next prime is 15720150079. The reversal of 15720150052 is 25005102751.

It can be written as a sum of positive squares in 2 ways, for example, as 14707383076 + 1012766976 = 121274^2 + 31824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15720150052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9973927 + ... + 9975502.

It is an arithmetic number, because the mean of its divisors is an integer number (2304159165).

Almost surely, 2^15720150052 is an apocalyptic number.

It is an amenable number.

15720150052 is a deficient number, since it is larger than the sum of its proper divisors (11929759928).

15720150052 is a wasteful number, since it uses less digits than its factorization.

15720150052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19949630 (or 19949628 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The spelling of 15720150052 in words is "fifteen billion, seven hundred twenty million, one hundred fifty thousand, fifty-two".