15720050912 has 12 divisors (see below), whose sum is σ = 30948850296. Its totient is φ = 7860025440.

The previous prime is 15720050903. The next prime is 15720050939. The reversal of 15720050912 is 21905002751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 491251591 = 15720050912 / (1 + 5 + 7 + 2 + 0 + 0 + 5 + 0 + 9 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245625764 + ... + 245625827.

It is an arithmetic number, because the mean of its divisors is an integer number (2579070858).

Almost surely, 2^15720050912 is an apocalyptic number.

It is an amenable number.

15720050912 is a deficient number, since it is larger than the sum of its proper divisors (15228799384).

15720050912 is an equidigital number, since it uses as much as digits as its factorization.

15720050912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491251601 (or 491251593 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 15720050912 in words is "fifteen billion, seven hundred twenty million, fifty thousand, nine hundred twelve".