115715943 has 12 divisors (see below), whose sum is σ = 191023248. Its totient is φ = 66123360.

The previous prime is 115715917. The next prime is 115715953. The reversal of 115715943 is 349517511.

It is a happy number.

115715943 is a `hidden beast` number, since 11 + 57 + 1 + 594 + 3 = 666.

It is not a de Polignac number, because 115715943 - 2⁶ = 115715879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115715898 and 115715907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115715903) 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, 918318 + ... + 918443.

It is an arithmetic number, because the mean of its divisors is an integer number (15918604).

Almost surely, 2^115715943 is an apocalyptic number.

115715943 is a deficient number, since it is larger than the sum of its proper divisors (75307305).

115715943 is a wasteful number, since it uses less digits than its factorization.

115715943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836774 (or 1836771 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 115715943 is about 10757.1345162176. The cubic root of 115715943 is about 487.3014828800.

The spelling of 115715943 in words is "one hundred fifteen million, seven hundred fifteen thousand, nine hundred forty-three".