15494625072 has 60 divisors (see below), whose sum is σ = 43372942704. Its totient is φ = 5163742080.

The previous prime is 15494625071. The next prime is 15494625089. The reversal of 15494625072 is 27052649451.

15494625072 is a `hidden beast` number, since 1 + 54 + 94 + 6 + 2 + 507 + 2 = 666.

It is a super-2 number, since 2×15494625072² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15494625071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880197 + ... + 897627.

Almost surely, 2^15494625072 is an apocalyptic number.

15494625072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15494625072 is an abundant number, since it is smaller than the sum of its proper divisors (27878317632).

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

15494625072 is a wasteful number, since it uses less digits than its factorization.

15494625072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618 (or 23609 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 15494625072 in words is "fifteen billion, four hundred ninety-four million, six hundred twenty-five thousand, seventy-two".