15131727672 has 16 divisors (see below), whose sum is σ = 37829319240. Its totient is φ = 5043909216.

The previous prime is 15131727647. The next prime is 15131727697. The reversal of 15131727672 is 27672713151.

It is an interprime number because it is at equal distance from previous prime (15131727647) and next prime (15131727697).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315244303 + ... + 315244350.

Almost surely, 2^15131727672 is an apocalyptic number.

15131727672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15131727672 is an abundant number, since it is smaller than the sum of its proper divisors (22697591568).

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

15131727672 is a wasteful number, since it uses less digits than its factorization.

15131727672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630488662 (or 630488658 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The spelling of 15131727672 in words is "fifteen billion, one hundred thirty-one million, seven hundred twenty-seven thousand, six hundred seventy-two".