115716501 has 24 divisors (see below), whose sum is σ = 181770264. Its totient is φ = 70640640.

The previous prime is 115716457. The next prime is 115716533. The reversal of 115716501 is 105617511.

It is a happy number.

115716501 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 1 + 650 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77264100 + 38452401 = 8790^2 + 6201^2 .

It is not a de Polignac number, because 115716501 - 2⁷ = 115716373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115716551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4560 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (7573761).

Almost surely, 2^115716501 is an apocalyptic number.

It is an amenable number.

115716501 is a deficient number, since it is larger than the sum of its proper divisors (66053763).

115716501 is a wasteful number, since it uses less digits than its factorization.

115716501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501 (or 20498 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 115716501 is about 10757.1604524614. The cubic root of 115716501 is about 487.3022661595.

The spelling of 115716501 in words is "one hundred fifteen million, seven hundred sixteen thousand, five hundred one".