117153477217 has 4 divisors (see below), whose sum is σ = 133889688256. Its totient is φ = 100417266180.

The previous prime is 117153477211. The next prime is 117153477239. The reversal of 117153477217 is 712774351711.

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: 712774351711 = 103 ⋅6920139337.

It is not a de Polignac number, because 117153477217 - 2¹¹ = 117153475169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117153477211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8368105509 + ... + 8368105522.

It is an arithmetic number, because the mean of its divisors is an integer number (33472422064).

Almost surely, 2^117153477217 is an apocalyptic number.

It is an amenable number.

117153477217 is a deficient number, since it is larger than the sum of its proper divisors (16736211039).

117153477217 is an equidigital number, since it uses as much as digits as its factorization.

117153477217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16736211038.

The product of its digits is 288120, while the sum is 46.

The spelling of 117153477217 in words is "one hundred seventeen billion, one hundred fifty-three million, four hundred seventy-seven thousand, two hundred seventeen".