117172214745 has 16 divisors (see below), whose sum is σ = 188012731200. Its totient is φ = 62312785344.

The previous prime is 117172214743. The next prime is 117172214759. The reversal of 117172214745 is 547412271711.

It is not a de Polignac number, because 117172214745 - 2¹ = 117172214743 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117172214697 and 117172214706.

It is not an unprimeable number, because it can be changed into a prime (117172214743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11185999 + ... + 11196468.

It is an arithmetic number, because the mean of its divisors is an integer number (11750795700).

Almost surely, 2^117172214745 is an apocalyptic number.

117172214745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117172214745 is a deficient number, since it is larger than the sum of its proper divisors (70840516455).

117172214745 is a wasteful number, since it uses less digits than its factorization.

117172214745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22382824.

The product of its digits is 109760, while the sum is 42.

The spelling of 117172214745 in words is "one hundred seventeen billion, one hundred seventy-two million, two hundred fourteen thousand, seven hundred forty-five".