113402505404 has 36 divisors (see below), whose sum is σ = 221769669744. Its totient is φ = 50557143168.

The previous prime is 113402505397. The next prime is 113402505407. The reversal of 113402505404 is 404505204311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113402505407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2285264 + ... + 2334359.

It is an arithmetic number, because the mean of its divisors is an integer number (6160268604).

Almost surely, 2^113402505404 is an apocalyptic number.

It is an amenable number.

113402505404 is a deficient number, since it is larger than the sum of its proper divisors (108367164340).

113402505404 is a wasteful number, since it uses less digits than its factorization.

113402505404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619682 (or 4619661 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 113402505404 its reverse (404505204311), we get a palindrome (517907709715).

The spelling of 113402505404 in words is "one hundred thirteen billion, four hundred two million, five hundred five thousand, four hundred four".