117871261297 has 4 divisors (see below), whose sum is σ = 117876072960. Its totient is φ = 117866449636.

The previous prime is 117871261283. The next prime is 117871261301. The reversal of 117871261297 is 792162178711.

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: 792162178711 = 23 ⋅34441833857.

It is a cyclic number.

It is not a de Polignac number, because 117871261297 - 2²³ = 117862872689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117871261597) 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, 2368897 + ... + 2418142.

It is an arithmetic number, because the mean of its divisors is an integer number (29469018240).

Almost surely, 2^117871261297 is an apocalyptic number.

It is an amenable number.

117871261297 is a deficient number, since it is larger than the sum of its proper divisors (4811663).

117871261297 is an equidigital number, since it uses as much as digits as its factorization.

117871261297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811662.

The product of its digits is 592704, while the sum is 52.

The spelling of 117871261297 in words is "one hundred seventeen billion, eight hundred seventy-one million, two hundred sixty-one thousand, two hundred ninety-seven".