117544911 has 16 divisors (see below), whose sum is σ = 172672128. Its totient is φ = 70532000.

The previous prime is 117544879. The next prime is 117544949. The reversal of 117544911 is 119445711.

It is not a de Polignac number, because 117544911 - 2⁵ = 117544879 is a prime.

It is a super-2 number, since 2×117544911² = 27633612203995842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117544981) 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, 14301 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (10792008).

Almost surely, 2^117544911 is an apocalyptic number.

117544911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117544911 is a deficient number, since it is larger than the sum of its proper divisors (55127217).

117544911 is a wasteful number, since it uses less digits than its factorization.

117544911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35382.

The product of its digits is 5040, while the sum is 33.

The square root of 117544911 is about 10841.8130863800. The cubic root of 117544911 is about 489.8554495177.

The spelling of 117544911 in words is "one hundred seventeen million, five hundred forty-four thousand, nine hundred eleven".