15493255056 has 60 divisors (see below), whose sum is σ = 43780604608. Its totient is φ = 5114273472.

The previous prime is 15493255049. The next prime is 15493255067. The reversal of 15493255056 is 65055239451.

15493255056 is a `hidden beast` number, since 1 + 5 + 4 + 93 + 2 + 550 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507460 + ... + 537123.

Almost surely, 2^15493255056 is an apocalyptic number.

15493255056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15493255056 is an abundant number, since it is smaller than the sum of its proper divisors (28287349552).

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

15493255056 is a wasteful number, since it uses less digits than its factorization.

15493255056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044700 (or 1044691 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 15493255056 in words is "fifteen billion, four hundred ninety-three million, two hundred fifty-five thousand, fifty-six".