115146884889 has 9 divisors (see below), whose sum is σ = 166324748629. Its totient is φ = 76763911260.

The previous prime is 115146884869. The next prime is 115146884891. The reversal of 115146884889 is 988488641511.

The square root of 115146884889 is 339333.

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

115146884889 is a `hidden beast` number, since 1 + 1 + 5 + 146 + 8 + 8 + 488 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 115146884889 - 2⁵ = 115146884857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115146884869) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 961444 + ... + 1074554.

Almost surely, 2^115146884889 is an apocalyptic number.

115146884889 is the 339333-rd square number.

115146884889 is the 169667-th centered octagonal number.

It is an amenable number.

115146884889 is a deficient number, since it is larger than the sum of its proper divisors (51177863740).

115146884889 is an frugal number, since it uses more digits than its factorization.

115146884889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226228 (or 113114 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 63.

The spelling of 115146884889 in words is "one hundred fifteen billion, one hundred forty-six million, eight hundred eighty-four thousand, eight hundred eighty-nine".