131056452487 has 2 divisors, whose sum is σ = 131056452488. Its totient is φ = 131056452486.

The previous prime is 131056452391. The next prime is 131056452497. The reversal of 131056452487 is 784254650131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131056452487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131056452497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65528226243 + 65528226244.

It is an arithmetic number, because the mean of its divisors is an integer number (65528226244).

Almost surely, 2^131056452487 is an apocalyptic number.

131056452487 is a deficient number, since it is larger than the sum of its proper divisors (1).

131056452487 is an equidigital number, since it uses as much as digits as its factorization.

131056452487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 131056452487 in words is "one hundred thirty-one billion, fifty-six million, four hundred fifty-two thousand, four hundred eighty-seven".