113564421208 has 32 divisors (see below), whose sum is σ = 243365364000. Its totient is φ = 48667859712.

The previous prime is 113564421169. The next prime is 113564421209. The reversal of 113564421208 is 802124465311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113564421209) 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 7 ways as a sum of consecutive naturals, for example, 1299268 + ... + 1383916.

It is an arithmetic number, because the mean of its divisors is an integer number (7605167625).

Almost surely, 2^113564421208 is an apocalyptic number.

It is an amenable number.

113564421208 is an abundant number, since it is smaller than the sum of its proper divisors (129800942792).

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

113564421208 is a wasteful number, since it uses less digits than its factorization.

113564421208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108619 (or 108615 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 113564421208 its reverse (802124465311), we get a palindrome (915688886519).

The spelling of 113564421208 in words is "one hundred thirteen billion, five hundred sixty-four million, four hundred twenty-one thousand, two hundred eight".