113256513257 has 2 divisors, whose sum is σ = 113256513258. Its totient is φ = 113256513256.

The previous prime is 113256513247. The next prime is 113256513281. The reversal of 113256513257 is 752315652311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89004368896 + 24252144361 = 298336^2 + 155731^2 .

It is a cyclic number.

It is not a de Polignac number, because 113256513257 - 2³⁰ = 112182771433 is a prime.

It is not a weakly prime, because it can be changed into another prime (113256513247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56628256628 + 56628256629.

It is an arithmetic number, because the mean of its divisors is an integer number (56628256629).

Almost surely, 2^113256513257 is an apocalyptic number.

It is an amenable number.

113256513257 is a deficient number, since it is larger than the sum of its proper divisors (1).

113256513257 is an equidigital number, since it uses as much as digits as its factorization.

113256513257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The spelling of 113256513257 in words is "one hundred thirteen billion, two hundred fifty-six million, five hundred thirteen thousand, two hundred fifty-seven".