131251041155104 has 72 divisors (see below), whose sum is σ = 296265647642580. Its totient is φ = 57014026887168.

The previous prime is 131251041155077. The next prime is 131251041155153. The reversal of 131251041155104 is 401551140152131.

It can be written as a sum of positive squares in 6 ways, for example, as 37999186265104 + 93251854890000 = 6164348^2 + 9656700^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 131251041155104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713725509 + ... + 713909380.

Almost surely, 2^{131251041155104} is an apocalyptic number.

It is an amenable number.

131251041155104 is an abundant number, since it is smaller than the sum of its proper divisors (165014606487476).

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

131251041155104 is a wasteful number, since it uses less digits than its factorization.

131251041155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427634942 (or 1427634921 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 34.

The spelling of 131251041155104 in words is "one hundred thirty-one trillion, two hundred fifty-one billion, forty-one million, one hundred fifty-five thousand, one hundred four".