117426717507 has 128 divisors (see below), whose sum is σ = 193725665280. Its totient is φ = 62346240000.

The previous prime is 117426717503. The next prime is 117426717509. The reversal of 117426717507 is 705717624711.

It is a happy number.

It is not a de Polignac number, because 117426717507 - 2² = 117426717503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117426717503) 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 127 ways as a sum of consecutive naturals, for example, 292834507 + ... + 292834907.

It is an arithmetic number, because the mean of its divisors is an integer number (1513481760).

Almost surely, 2^117426717507 is an apocalyptic number.

117426717507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117426717507 is a deficient number, since it is larger than the sum of its proper divisors (76298947773).

117426717507 is a wasteful number, since it uses less digits than its factorization.

117426717507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 576240, while the sum is 48.

It can be divided in two parts, 117 and 426717507, that added together give a palindrome (426717624).

The spelling of 117426717507 in words is "one hundred seventeen billion, four hundred twenty-six million, seven hundred seventeen thousand, five hundred seven".