113345678889 has 14 divisors (see below), whose sum is σ = 169940778906. Its totient is φ = 75563785440.

The previous prime is 113345678879. The next prime is 113345678933. The reversal of 113345678889 is 988876543311.

113345678889 is a `hidden beast` number, since 1 + 1 + 33 + 456 + 78 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113178416400 + 167262489 = 336420^2 + 12933^2 .

It is not a de Polignac number, because 113345678889 - 2²¹ = 113343581737 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113345678879) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 77739792 + ... + 77741249.

Almost surely, 2^113345678889 is an apocalyptic number.

It is an amenable number.

113345678889 is a deficient number, since it is larger than the sum of its proper divisors (56595100017).

113345678889 is an frugal number, since it uses more digits than its factorization.

113345678889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155481059 (or 155481044 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 113345678889 in words is "one hundred thirteen billion, three hundred forty-five million, six hundred seventy-eight thousand, eight hundred eighty-nine".