131551155544 has 16 divisors (see below), whose sum is σ = 247390345800. Its totient is φ = 65580396672.

The previous prime is 131551155509. The next prime is 131551155587. The reversal of 131551155544 is 445551155131.

It is a junction number, because it is equal to n+sod(n) for n = 131551155497 and 131551155506.

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, 24394774 + ... + 24400165.

Almost surely, 2^131551155544 is an apocalyptic number.

It is an amenable number.

131551155544 is a deficient number, since it is larger than the sum of its proper divisors (115839190256).

131551155544 is a wasteful number, since it uses less digits than its factorization.

131551155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48795282 (or 48795278 counting only the distinct ones).

The product of its digits is 150000, while the sum is 40.

The spelling of 131551155544 in words is "one hundred thirty-one billion, five hundred fifty-one million, one hundred fifty-five thousand, five hundred forty-four".