117393261129 has 27 divisors (see below), whose sum is σ = 178992172749. Its totient is φ = 74130777720.

The previous prime is 117393261119. The next prime is 117393261131. The reversal of 117393261129 is 921162393711.

The square root of 117393261129 is 342627.

It is a perfect power (a square), and thus also a powerful number.

117393261129 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 9 + 3 + 2 + 611 + 29 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-117393261129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117393261119) 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 26 ways as a sum of consecutive naturals, for example, 19526734 + ... + 19532744.

Almost surely, 2^117393261129 is an apocalyptic number.

117393261129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117393261129 is the 342627-th square number.

117393261129 is the 171314-th centered octagonal number.

It is an amenable number.

117393261129 is a deficient number, since it is larger than the sum of its proper divisors (61598911620).

117393261129 is an frugal number, since it uses more digits than its factorization.

117393261129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066 (or 6033 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The spelling of 117393261129 in words is "one hundred seventeen billion, three hundred ninety-three million, two hundred sixty-one thousand, one hundred twenty-nine".