113356636261 has 4 divisors (see below), whose sum is σ = 123661785024. Its totient is φ = 103051487500.

The previous prime is 113356636247. The next prime is 113356636279. The reversal of 113356636261 is 162636653311.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 113356636261 - 2¹³ = 113356628069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113356606261) 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, 5152574365 + ... + 5152574386.

It is an arithmetic number, because the mean of its divisors is an integer number (30915446256).

Almost surely, 2^113356636261 is an apocalyptic number.

113356636261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113356636261 is a deficient number, since it is larger than the sum of its proper divisors (10305148763).

113356636261 is a wasteful number, since it uses less digits than its factorization.

113356636261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305148762.

The product of its digits is 349920, while the sum is 43.

The spelling of 113356636261 in words is "one hundred thirteen billion, three hundred fifty-six million, six hundred thirty-six thousand, two hundred sixty-one".