113593255566 has 128 divisors (see below), whose sum is σ = 267376951296. Its totient is φ = 31501182720.

The previous prime is 113593255561. The next prime is 113593255583. The reversal of 113593255566 is 665552395311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113593255561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225831271 + ... + 225831773.

It is an arithmetic number, because the mean of its divisors is an integer number (2088882432).

Almost surely, 2^113593255566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113593255566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133688475648).

113593255566 is an abundant number, since it is smaller than the sum of its proper divisors (153783695730).

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

113593255566 is a wasteful number, since it uses less digits than its factorization.

113593255566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its digits is 3645000, while the sum is 51.

The spelling of 113593255566 in words is "one hundred thirteen billion, five hundred ninety-three million, two hundred fifty-five thousand, five hundred sixty-six".