113798696581 has 4 divisors (see below), whose sum is σ = 113926993632. Its totient is φ = 113670399532.

The previous prime is 113798696579. The next prime is 113798696587. The reversal of 113798696581 is 185696897311.

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 an emirpimes, since its reverse is a distinct semiprime: 185696897311 = 52291 ⋅3551221.

It is a cyclic number.

It is not a de Polignac number, because 113798696581 - 2¹ = 113798696579 is a prime.

It is a super-2 number, since 2×113798696581² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113798696587) 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, 64147195 + ... + 64148968.

It is an arithmetic number, because the mean of its divisors is an integer number (28481748408).

Almost surely, 2^113798696581 is an apocalyptic number.

It is an amenable number.

113798696581 is a deficient number, since it is larger than the sum of its proper divisors (128297051).

113798696581 is an equidigital number, since it uses as much as digits as its factorization.

113798696581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128297050.

The product of its digits is 19595520, while the sum is 64.

The spelling of 113798696581 in words is "one hundred thirteen billion, seven hundred ninety-eight million, six hundred ninety-six thousand, five hundred eighty-one".