115296977943 has 192 divisors, whose sum is σ = 215292313600. Its totient is φ = 57971946240.

The previous prime is 115296977927. The next prime is 115296977951. The reversal of 115296977943 is 349779692511.

115296977943 is a `hidden beast` number, since 1 + 1 + 529 + 69 + 7 + 7 + 9 + 43 = 666.

It is not a de Polignac number, because 115296977943 - 2⁴ = 115296977927 is a prime.

It is a super-2 number, since 2×115296977943² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115296977903) 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 in 191 ways as a sum of consecutive naturals, for example, 108463230 + ... + 108464292.

Almost surely, 2^115296977943 is an apocalyptic number.

115296977943 is a deficient number, since it is larger than the sum of its proper divisors (99995335657).

115296977943 is a wasteful number, since it uses less digits than its factorization.

115296977943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1239 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The spelling of 115296977943 in words is "one hundred fifteen billion, two hundred ninety-six million, nine hundred seventy-seven thousand, nine hundred forty-three".