115747287793 has 4 divisors (see below), whose sum is σ = 115748099188. Its totient is φ = 115746476400.

The previous prime is 115747287767. The next prime is 115747287827. The reversal of 115747287793 is 397782747511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 98905218064 + 16842069729 = 314492^2 + 129777^2 .

It is a cyclic number.

It is not a de Polignac number, because 115747287793 - 2⁹ = 115747287281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115747257793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128658 + ... + 498043.

It is an arithmetic number, because the mean of its divisors is an integer number (28937024797).

Almost surely, 2^115747287793 is an apocalyptic number.

It is an amenable number.

115747287793 is a deficient number, since it is larger than the sum of its proper divisors (811395).

115747287793 is an equidigital number, since it uses as much as digits as its factorization.

115747287793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811394.

The product of its digits is 20744640, while the sum is 61.

The spelling of 115747287793 in words is "one hundred fifteen billion, seven hundred forty-seven million, two hundred eighty-seven thousand, seven hundred ninety-three".