131718515325860 has 96 divisors (see below), whose sum is σ = 279554036946912. Its totient is φ = 52129907343360.

The previous prime is 131718515325767. The next prime is 131718515325919. The reversal of 131718515325860 is 68523515817131.

It can be written as a sum of positive squares in 16 ways, for example, as 118830013242724 + 12888502083136 = 10900918^2 + 3590056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131718515325796 and 131718515325805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792270662 + ... + 792436898.

It is an arithmetic number, because the mean of its divisors is an integer number (2912021218197).

Almost surely, 2^{131718515325860} is an apocalyptic number.

131718515325860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131718515325860 is an abundant number, since it is smaller than the sum of its proper divisors (147835521621052).

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

131718515325860 is a wasteful number, since it uses less digits than its factorization.

131718515325860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167553 (or 167551 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 131718515325860 in words is "one hundred thirty-one trillion, seven hundred eighteen billion, five hundred fifteen million, three hundred twenty-five thousand, eight hundred sixty".