15572515052 has 24 divisors (see below), whose sum is σ = 28078119552. Its totient is φ = 7553692800.

The previous prime is 15572515037. The next prime is 15572515061. The reversal of 15572515052 is 25051527551.

It is a junction number, because it is equal to n+sod(n) for n = 15572514997 and 15572515015.

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, 419324 + ... + 454947.

It is an arithmetic number, because the mean of its divisors is an integer number (1169921648).

Almost surely, 2^15572515052 is an apocalyptic number.

It is an amenable number.

15572515052 is a deficient number, since it is larger than the sum of its proper divisors (12505604500).

15572515052 is a wasteful number, since it uses less digits than its factorization.

15572515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874409 (or 874407 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 38.

The spelling of 15572515052 in words is "fifteen billion, five hundred seventy-two million, five hundred fifteen thousand, fifty-two".