117255771 has 12 divisors (see below), whose sum is σ = 176733648. Its totient is φ = 74771664.

The previous prime is 117255751. The next prime is 117255773. The reversal of 117255771 is 177552711.

117255771 is a `hidden beast` number, since 11 + 72 + 5 + 577 + 1 = 666.

It is not a de Polignac number, because 117255771 - 2⁷ = 117255643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117255773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283020 + ... + 283433.

It is an arithmetic number, because the mean of its divisors is an integer number (14727804).

Almost surely, 2^117255771 is an apocalyptic number.

117255771 is a deficient number, since it is larger than the sum of its proper divisors (59477877).

117255771 is a wasteful number, since it uses less digits than its factorization.

117255771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566482 (or 566479 counting only the distinct ones).

The product of its digits is 17150, while the sum is 36.

The square root of 117255771 is about 10828.4703905953. The cubic root of 117255771 is about 489.4534667170.

The spelling of 117255771 in words is "one hundred seventeen million, two hundred fifty-five thousand, seven hundred seventy-one".