117981411 has 16 divisors (see below), whose sum is σ = 167495328. Its totient is φ = 73612800.

The previous prime is 117981403. The next prime is 117981427. The reversal of 117981411 is 114189711.

It is not a de Polignac number, because 117981411 - 2³ = 117981403 is a prime.

It is a super-2 number, since 2×117981411² = 27839226683101842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117981211) 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, 2841 + ... + 15621.

It is an arithmetic number, because the mean of its divisors is an integer number (10468458).

Almost surely, 2^117981411 is an apocalyptic number.

117981411 is a deficient number, since it is larger than the sum of its proper divisors (49513917).

117981411 is a wasteful number, since it uses less digits than its factorization.

117981411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982.

The product of its digits is 2016, while the sum is 33.

The square root of 117981411 is about 10861.9248294213. The cubic root of 117981411 is about 490.4610556999.

The spelling of 117981411 in words is "one hundred seventeen million, nine hundred eighty-one thousand, four hundred eleven".