113204206464 has 64 divisors (see below), whose sum is σ = 304077402000. Its totient is φ = 37310738432.

The previous prime is 113204206463. The next prime is 113204206471. The reversal of 113204206464 is 464602402311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×113204206464² (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 (113204206463) 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, 1622019 + ... + 1690370.

Almost surely, 2^113204206464 is an apocalyptic number.

It is an amenable number.

113204206464 is an abundant number, since it is smaller than the sum of its proper divisors (190873195536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113204206464 is an equidigital number, since it uses as much as digits as its factorization.

113204206464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312495 (or 3312483 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 113204206464 its reverse (464602402311), we get a palindrome (577806608775).

The spelling of 113204206464 in words is "one hundred thirteen billion, two hundred four million, two hundred six thousand, four hundred sixty-four".