115164405 has 24 divisors (see below), whose sum is σ = 200678400. Its totient is φ = 61094880.

The previous prime is 115164391. The next prime is 115164437. The reversal of 115164405 is 504461511.

115164405 is a `hidden beast` number, since 1 + 15 + 1 + 644 + 0 + 5 = 666.

It is not a de Polignac number, because 115164405 - 2⁵ = 115164373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (8361600).

Almost surely, 2^115164405 is an apocalyptic number.

115164405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115164405 is a deficient number, since it is larger than the sum of its proper divisors (85513995).

115164405 is a wasteful number, since it uses less digits than its factorization.

115164405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 115164405 is about 10731.4679797314. The cubic root of 115164405 is about 486.5260396732.

It can be divided in two parts, 1151 and 64405, that added together give a palindrome (65556).

The spelling of 115164405 in words is "one hundred fifteen million, one hundred sixty-four thousand, four hundred five".