113205372404 has 24 divisors (see below), whose sum is σ = 203095354056. Its totient is φ = 55180224000.

The previous prime is 113205372391. The next prime is 113205372407. The reversal of 113205372404 is 404273502311.

It can be written as a sum of positive squares in 4 ways, for example, as 5425795600 + 107779576804 = 73660^2 + 328298^2 .

It is a super-2 number, since 2×113205372404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113205372407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44627 + ... + 477914.

It is an arithmetic number, because the mean of its divisors is an integer number (8462306419).

Almost surely, 2^113205372404 is an apocalyptic number.

It is an amenable number.

113205372404 is a deficient number, since it is larger than the sum of its proper divisors (89889981652).

113205372404 is a wasteful number, since it uses less digits than its factorization.

113205372404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523907 (or 523905 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 113205372404 its reverse (404273502311), we get a palindrome (517478874715).

The spelling of 113205372404 in words is "one hundred thirteen billion, two hundred five million, three hundred seventy-two thousand, four hundred four".