113205372406 has 16 divisors (see below), whose sum is σ = 194578410240. Its totient is φ = 48388573800.

The previous prime is 113205372391. The next prime is 113205372407. The reversal of 113205372406 is 604273502311.

It is a super-2 number, since 2×113205372406² (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, 10662370 + ... + 10672981.

It is an arithmetic number, because the mean of its divisors is an integer number (12161150640).

Almost surely, 2^113205372406 is an apocalyptic number.

113205372406 is a deficient number, since it is larger than the sum of its proper divisors (81373037834).

113205372406 is a wasteful number, since it uses less digits than its factorization.

113205372406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21335739.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 113205372406 its reverse (604273502311), we get a palindrome (717478874717).

The spelling of 113205372406 in words is "one hundred thirteen billion, two hundred five million, three hundred seventy-two thousand, four hundred six".