115688451 has 16 divisors (see below), whose sum is σ = 164160000. Its totient is φ = 72217728.

The previous prime is 115688423. The next prime is 115688483. The reversal of 115688451 is 154886511.

It is not a de Polignac number, because 115688451 - 2¹⁰ = 115687427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115688051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4450 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (10260000).

Almost surely, 2^115688451 is an apocalyptic number.

115688451 is a deficient number, since it is larger than the sum of its proper divisors (48471549).

115688451 is a wasteful number, since it uses less digits than its factorization.

115688451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618.

The product of its digits is 38400, while the sum is 39.

The square root of 115688451 is about 10755.8565907137. The cubic root of 115688451 is about 487.2628885051.

The spelling of 115688451 in words is "one hundred fifteen million, six hundred eighty-eight thousand, four hundred fifty-one".