117270686541 has 4 divisors (see below), whose sum is σ = 156360915392. Its totient is φ = 78180457692.

The previous prime is 117270686503. The next prime is 117270686551. The reversal of 117270686541 is 145686072711.

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.

It is not a de Polignac number, because 117270686541 - 2³⁴ = 100090817357 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 (117270686551) 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, 19545114421 + ... + 19545114426.

It is an arithmetic number, because the mean of its divisors is an integer number (39090228848).

Almost surely, 2^117270686541 is an apocalyptic number.

It is an amenable number.

117270686541 is a deficient number, since it is larger than the sum of its proper divisors (39090228851).

117270686541 is an equidigital number, since it uses as much as digits as its factorization.

117270686541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39090228850.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 117270686541 in words is "one hundred seventeen billion, two hundred seventy million, six hundred eighty-six thousand, five hundred forty-one".