117772722265 has 32 divisors (see below), whose sum is σ = 159358907520. Its totient is φ = 82820659200.

The previous prime is 117772722217. The next prime is 117772722269. The reversal of 117772722265 is 562227277711.

It is not a de Polignac number, because 117772722265 - 2¹⁵ = 117772689497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117772722269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99544 + ... + 495433.

It is an arithmetic number, because the mean of its divisors is an integer number (4979965860).

Almost surely, 2^117772722265 is an apocalyptic number.

It is an amenable number.

117772722265 is a deficient number, since it is larger than the sum of its proper divisors (41586185255).

117772722265 is a wasteful number, since it uses less digits than its factorization.

117772722265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595113.

The product of its digits is 1152480, while the sum is 49.

Adding to 117772722265 its reverse (562227277711), we get a palindrome (679999999976).

The spelling of 117772722265 in words is "one hundred seventeen billion, seven hundred seventy-two million, seven hundred twenty-two thousand, two hundred sixty-five".