113008251889 has 27 divisors (see below), whose sum is σ = 129244339809. Its totient is φ = 98752417920.

The previous prime is 113008251821. The next prime is 113008251899. The reversal of 113008251889 is 988152800311.

The square root of 113008251889 is 336167.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 52635830625 + 60372421264 = 229425^2 + 245708^2 .

It is not a de Polignac number, because 113008251889 - 2¹³ = 113008243697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113008251899) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 83032569 + ... + 83033929.

Almost surely, 2^113008251889 is an apocalyptic number.

113008251889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113008251889 is the 336167-th square number.

113008251889 is the 168084-th centered octagonal number.

It is an amenable number.

113008251889 is a deficient number, since it is larger than the sum of its proper divisors (16236087920).

113008251889 is an frugal number, since it uses more digits than its factorization.

113008251889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 113008251889 in words is "one hundred thirteen billion, eight million, two hundred fifty-one thousand, eight hundred eighty-nine".