115925805 has 24 divisors (see below), whose sum is σ = 212759352. Its totient is φ = 58189824.

The previous prime is 115925759. The next prime is 115925813. The reversal of 115925805 is 508529511.

It is a happy number.

115925805 is a `hidden beast` number, since 11 + 592 + 58 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30437289 + 85488516 = 5517^2 + 9246^2 .

It is not a de Polignac number, because 115925805 - 2⁶ = 115925741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115925805.

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, 75004 + ... + 76533.

It is an arithmetic number, because the mean of its divisors is an integer number (8864973).

Almost surely, 2^115925805 is an apocalyptic number.

115925805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115925805 is a deficient number, since it is larger than the sum of its proper divisors (96833547).

115925805 is a wasteful number, since it uses less digits than its factorization.

115925805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151565 (or 151562 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 115925805 is about 10766.8846469162. The cubic root of 115925805 is about 487.5958943507.

The spelling of 115925805 in words is "one hundred fifteen million, nine hundred twenty-five thousand, eight hundred five".