131516275544 has 16 divisors (see below), whose sum is σ = 250772560200. Its totient is φ = 64643592832.

The previous prime is 131516275543. The next prime is 131516275549. The reversal of 131516275544 is 445572615131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131516275495 and 131516275504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131516275543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139317617 + ... + 139318560.

Almost surely, 2^131516275544 is an apocalyptic number.

It is an amenable number.

131516275544 is a deficient number, since it is larger than the sum of its proper divisors (119256284656).

131516275544 is a wasteful number, since it uses less digits than its factorization.

131516275544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278636242 (or 278636238 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 131516275544 in words is "one hundred thirty-one billion, five hundred sixteen million, two hundred seventy-five thousand, five hundred forty-four".