15572070552 has 16 divisors (see below), whose sum is σ = 38930176440. Its totient is φ = 5190690176.

The previous prime is 15572070551. The next prime is 15572070557. The reversal of 15572070552 is 25507027551.

It is a self number, because there is not a number n which added to its sum of digits gives 15572070552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15572070551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324418113 + ... + 324418160.

Almost surely, 2^15572070552 is an apocalyptic number.

15572070552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15572070552 is an abundant number, since it is smaller than the sum of its proper divisors (23358105888).

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

15572070552 is a wasteful number, since it uses less digits than its factorization.

15572070552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648836282 (or 648836278 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 39.

The spelling of 15572070552 in words is "fifteen billion, five hundred seventy-two million, seventy thousand, five hundred fifty-two".