115756725015997 has 8 divisors (see below), whose sum is σ = 124971964016760. Its totient is φ = 106585896806400.

The previous prime is 115756725015989. The next prime is 115756725016007. The reversal of 115756725015997 is 799510527657511.

It can be written as a sum of positive squares in 4 ways, for example, as 74025047495961 + 41731677520036 = 8603781^2 + 6460006^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115756725015997 - 2³ = 115756725015989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115756725012997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11102692372 + ... + 11102702797.

It is an arithmetic number, because the mean of its divisors is an integer number (15621495502095).

Almost surely, 2^{115756725015997} is an apocalyptic number.

It is an amenable number.

115756725015997 is a deficient number, since it is larger than the sum of its proper divisors (9215239000763).

115756725015997 is a wasteful number, since it uses less digits than its factorization.

115756725015997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22205395583.

The product of its (nonzero) digits is 208372500, while the sum is 70.

The spelling of 115756725015997 in words is "one hundred fifteen trillion, seven hundred fifty-six billion, seven hundred twenty-five million, fifteen thousand, nine hundred ninety-seven".