115756943 has 2 divisors, whose sum is σ = 115756944. Its totient is φ = 115756942.

The previous prime is 115756939. The next prime is 115756969. The reversal of 115756943 is 349657511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115756943 - 2² = 115756939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115756943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115753943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57878471 + 57878472.

It is an arithmetic number, because the mean of its divisors is an integer number (57878472).

Almost surely, 2^115756943 is an apocalyptic number.

115756943 is a deficient number, since it is larger than the sum of its proper divisors (1).

115756943 is an equidigital number, since it uses as much as digits as its factorization.

115756943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 115756943 is about 10759.0400594105. The cubic root of 115756943 is about 487.3590289740.

The spelling of 115756943 in words is "one hundred fifteen million, seven hundred fifty-six thousand, nine hundred forty-three".