113204206557 has 40 divisors (see below), whose sum is σ = 182292830720. Its totient is φ = 69596405280.

The previous prime is 113204206543. The next prime is 113204206561. The reversal of 113204206557 is 755602402311.

It is not a de Polignac number, because 113204206557 - 2¹⁴ = 113204190173 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113204201557) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1042332 + ... + 1145802.

It is an arithmetic number, because the mean of its divisors is an integer number (4557320768).

Almost surely, 2^113204206557 is an apocalyptic number.

It is an amenable number.

113204206557 is a deficient number, since it is larger than the sum of its proper divisors (69088624163).

113204206557 is a wasteful number, since it uses less digits than its factorization.

113204206557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104535 (or 104526 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 113204206557 its reverse (755602402311), we get a palindrome (868806608868).

The spelling of 113204206557 in words is "one hundred thirteen billion, two hundred four million, two hundred six thousand, five hundred fifty-seven".