117452217751 has 4 divisors (see below), whose sum is σ = 128129692104. Its totient is φ = 106774743400.

The previous prime is 117452217733. The next prime is 117452217761. The reversal of 117452217751 is 157712254711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117452217751 - 2¹¹ = 117452215703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117452217698 and 117452217707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117452217721) 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, 5338737160 + ... + 5338737181.

It is an arithmetic number, because the mean of its divisors is an integer number (32032423026).

Almost surely, 2^117452217751 is an apocalyptic number.

117452217751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117452217751 is a deficient number, since it is larger than the sum of its proper divisors (10677474353).

117452217751 is a wasteful number, since it uses less digits than its factorization.

117452217751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10677474352.

The product of its digits is 137200, while the sum is 43.

The spelling of 117452217751 in words is "one hundred seventeen billion, four hundred fifty-two million, two hundred seventeen thousand, seven hundred fifty-one".