113247266257 has 4 divisors (see below), whose sum is σ = 113248033600. Its totient is φ = 113246498916.

The previous prime is 113247266239. The next prime is 113247266273. The reversal of 113247266257 is 752662742311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113247266257 - 2³¹ = 111099782609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113247266207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84573 + ... + 483370.

It is an arithmetic number, because the mean of its divisors is an integer number (28312008400).

Almost surely, 2^113247266257 is an apocalyptic number.

It is an amenable number.

113247266257 is a deficient number, since it is larger than the sum of its proper divisors (767343).

113247266257 is an equidigital number, since it uses as much as digits as its factorization.

113247266257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767342.

The product of its digits is 846720, while the sum is 46.

The spelling of 113247266257 in words is "one hundred thirteen billion, two hundred forty-seven million, two hundred sixty-six thousand, two hundred fifty-seven".