113456678889 has 16 divisors (see below), whose sum is σ = 153594766080. Its totient is φ = 74479091280.

The previous prime is 113456678887. The next prime is 113456678893. The reversal of 113456678889 is 988876654311.

It is a happy number.

It is not a de Polignac number, because 113456678889 - 2¹ = 113456678887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113456678887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397222 + ... + 620240.

It is an arithmetic number, because the mean of its divisors is an integer number (9599672880).

Almost surely, 2^113456678889 is an apocalyptic number.

It is an amenable number.

113456678889 is a deficient number, since it is larger than the sum of its proper divisors (40138087191).

113456678889 is a wasteful number, since it uses less digits than its factorization.

113456678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225620.

The product of its digits is 69672960, while the sum is 66.

The spelling of 113456678889 in words is "one hundred thirteen billion, four hundred fifty-six million, six hundred seventy-eight thousand, eight hundred eighty-nine".