15720500252 has 12 divisors (see below), whose sum is σ = 27511780800. Its totient is φ = 7859991456.

The previous prime is 15720500251. The next prime is 15720500267. The reversal of 15720500252 is 25200502751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15720500251) 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, 154928 + ... + 235464.

It is an arithmetic number, because the mean of its divisors is an integer number (2292648400).

Almost surely, 2^15720500252 is an apocalyptic number.

It is an amenable number.

15720500252 is a deficient number, since it is larger than the sum of its proper divisors (11791280548).

15720500252 is a wasteful number, since it uses less digits than its factorization.

15720500252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129340 (or 129338 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 15720500252 in words is "fifteen billion, seven hundred twenty million, five hundred thousand, two hundred fifty-two".