115925643 has 12 divisors (see below), whose sum is σ = 168318280. Its totient is φ = 76882176.

The previous prime is 115925617. The next prime is 115925651. The reversal of 115925643 is 346529511.

115925643 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 2 + 5 + 643 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-115925643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115925598 and 115925607.

It is not an unprimeable number, because it can be changed into a prime (115925143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31633 + ... + 35106.

Almost surely, 2^115925643 is an apocalyptic number.

115925643 is a deficient number, since it is larger than the sum of its proper divisors (52392637).

115925643 is a wasteful number, since it uses less digits than its factorization.

115925643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66938 (or 66935 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 115925643 is about 10766.8771238461. The cubic root of 115925643 is about 487.5956672210.

The spelling of 115925643 in words is "one hundred fifteen million, nine hundred twenty-five thousand, six hundred forty-three".