15503314727372 has 6 divisors (see below), whose sum is σ = 27130800772908. Its totient is φ = 7751657363684.

The previous prime is 15503314727333. The next prime is 15503314727413. The reversal of 15503314727372 is 27372741330551.

It is a self number, because there is not a number n which added to its sum of digits gives 15503314727372.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937914340918 + ... + 1937914340925.

It is an arithmetic number, because the mean of its divisors is an integer number (4521800128818).

Almost surely, 2^{15503314727372} is an apocalyptic number.

It is an amenable number.

15503314727372 is a deficient number, since it is larger than the sum of its proper divisors (11627486045536).

15503314727372 is a wasteful number, since it uses less digits than its factorization.

15503314727372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875828681847 (or 3875828681845 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 15503314727372 in words is "fifteen trillion, five hundred three billion, three hundred fourteen million, seven hundred twenty-seven thousand, three hundred seventy-two".