131115360362977 has 2 divisors, whose sum is σ = 131115360362978. Its totient is φ = 131115360362976.

The previous prime is 131115360362923. The next prime is 131115360363041. The reversal of 131115360362977 is 779263063511131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124500428416576 + 6614931946401 = 11157976^2 + 2571951^2 .

It is a cyclic number.

It is not a de Polignac number, because 131115360362977 - 2²⁷ = 131115226145249 is a prime.

It is a super-2 number, since 2×131115360362977² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131115360369977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65557680181488 + 65557680181489.

It is an arithmetic number, because the mean of its divisors is an integer number (65557680181489).

Almost surely, 2^{131115360362977} is an apocalyptic number.

It is an amenable number.

131115360362977 is a deficient number, since it is larger than the sum of its proper divisors (1).

131115360362977 is an equidigital number, since it uses as much as digits as its factorization.

131115360362977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 131115360362977 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred sixty million, three hundred sixty-two thousand, nine hundred seventy-seven".