15630745072 has 10 divisors (see below), whose sum is σ = 30284568608. Its totient is φ = 7815372528.

The previous prime is 15630745063. The next prime is 15630745111. The reversal of 15630745072 is 27054703651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488460768 + ... + 488460799.

Almost surely, 2^15630745072 is an apocalyptic number.

It is an amenable number.

15630745072 is a deficient number, since it is larger than the sum of its proper divisors (14653823536).

15630745072 is an equidigital number, since it uses as much as digits as its factorization.

15630745072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976921575 (or 976921569 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 15630745072 in words is "fifteen billion, six hundred thirty million, seven hundred forty-five thousand, seventy-two".