115437663257 has 8 divisors (see below), whose sum is σ = 131941160832. Its totient is φ = 98937266400.

The previous prime is 115437663247. The next prime is 115437663317. The reversal of 115437663257 is 752366734511.

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

It is not a de Polignac number, because 115437663257 - 2⁴ = 115437663241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115437663247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694844 + ... + 844797.

It is an arithmetic number, because the mean of its divisors is an integer number (16492645104).

Almost surely, 2^115437663257 is an apocalyptic number.

It is an amenable number.

115437663257 is a deficient number, since it is larger than the sum of its proper divisors (16503497575).

115437663257 is a wasteful number, since it uses less digits than its factorization.

115437663257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550359.

The product of its digits is 3175200, while the sum is 50.

The spelling of 115437663257 in words is "one hundred fifteen billion, four hundred thirty-seven million, six hundred sixty-three thousand, two hundred fifty-seven".