113405631634211 has 4 divisors (see below), whose sum is σ = 129606436153392. Its totient is φ = 97204827115032.

The previous prime is 113405631634171. The next prime is 113405631634261. The reversal of 113405631634211 is 112436136504311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113405631634211 - 2³⁴ = 113388451765027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113405631634261) 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 in 3 ways as a sum of consecutive naturals, for example, 8100402259580 + ... + 8100402259593.

It is an arithmetic number, because the mean of its divisors is an integer number (32401609038348).

Almost surely, 2^{113405631634211} is an apocalyptic number.

113405631634211 is a deficient number, since it is larger than the sum of its proper divisors (16200804519181).

113405631634211 is an equidigital number, since it uses as much as digits as its factorization.

113405631634211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16200804519180.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 113405631634211 in words is "one hundred thirteen trillion, four hundred five billion, six hundred thirty-one million, six hundred thirty-four thousand, two hundred eleven".