117045202897 has 4 divisors (see below), whose sum is σ = 133765946176. Its totient is φ = 100324459620.

The previous prime is 117045202873. The next prime is 117045202919. The reversal of 117045202897 is 798202540711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798202540711 = 52387 ⋅15236653.

It is not a de Polignac number, because 117045202897 - 2¹⁵ = 117045170129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117045202397) 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, 8360371629 + ... + 8360371642.

It is an arithmetic number, because the mean of its divisors is an integer number (33441486544).

Almost surely, 2^117045202897 is an apocalyptic number.

It is an amenable number.

117045202897 is a deficient number, since it is larger than the sum of its proper divisors (16720743279).

117045202897 is an equidigital number, since it uses as much as digits as its factorization.

117045202897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720743278.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 117045202897 in words is "one hundred seventeen billion, forty-five million, two hundred two thousand, eight hundred ninety-seven".