113817474257 has 2 divisors, whose sum is σ = 113817474258. Its totient is φ = 113817474256.

The previous prime is 113817474233. The next prime is 113817474269. The reversal of 113817474257 is 752474718311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113450406976 + 367067281 = 336824^2 + 19159^2 .

It is a cyclic number.

It is not a de Polignac number, because 113817474257 - 2³⁰ = 112743732433 is a prime.

It is not a weakly prime, because it can be changed into another prime (113817473257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56908737128 + 56908737129.

It is an arithmetic number, because the mean of its divisors is an integer number (56908737129).

Almost surely, 2^113817474257 is an apocalyptic number.

It is an amenable number.

113817474257 is a deficient number, since it is larger than the sum of its proper divisors (1).

113817474257 is an equidigital number, since it uses as much as digits as its factorization.

113817474257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 50.

The spelling of 113817474257 in words is "one hundred thirteen billion, eight hundred seventeen million, four hundred seventy-four thousand, two hundred fifty-seven".