113404340641 has 4 divisors (see below), whose sum is σ = 113406020784. Its totient is φ = 113402660500.

The previous prime is 113404340627. The next prime is 113404340677. The reversal of 113404340641 is 146043404311.

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 113404340641 - 2⁷ = 113404340513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113404340681) 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, 734395 + ... + 875296.

It is an arithmetic number, because the mean of its divisors is an integer number (28351505196).

Almost surely, 2^113404340641 is an apocalyptic number.

It is an amenable number.

113404340641 is a deficient number, since it is larger than the sum of its proper divisors (1680143).

113404340641 is an equidigital number, since it uses as much as digits as its factorization.

113404340641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680142.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 113404340641 its reverse (146043404311), we get a palindrome (259447744952).

The spelling of 113404340641 in words is "one hundred thirteen billion, four hundred four million, three hundred forty thousand, six hundred forty-one".