15672352131 has 12 divisors (see below), whose sum is σ = 23189985000. Its totient is φ = 10193399520.

The previous prime is 15672352093. The next prime is 15672352153. The reversal of 15672352131 is 13125327651.

It is not a de Polignac number, because 15672352131 - 2⁹ = 15672351619 is a prime.

It is a super-2 number, since 2×15672352131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15672351131) 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, 21235881 + ... + 21236618.

It is an arithmetic number, because the mean of its divisors is an integer number (1932498750).

Almost surely, 2^15672352131 is an apocalyptic number.

15672352131 is a deficient number, since it is larger than the sum of its proper divisors (7517632869).

15672352131 is a wasteful number, since it uses less digits than its factorization.

15672352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42472546 (or 42472543 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

Adding to 15672352131 its reverse (13125327651), we get a palindrome (28797679782).

The spelling of 15672352131 in words is "fifteen billion, six hundred seventy-two million, three hundred fifty-two thousand, one hundred thirty-one".