117511671 has 8 divisors (see below), whose sum is σ = 157240944. Its totient is φ = 78061760.

The previous prime is 117511663. The next prime is 117511679. The reversal of 117511671 is 176115711.

It is an interprime number because it is at equal distance from previous prime (117511663) and next prime (117511679).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117511671 - 2³ = 117511663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117511679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68856 + ... + 70541.

It is an arithmetic number, because the mean of its divisors is an integer number (19655118).

Almost surely, 2^117511671 is an apocalyptic number.

117511671 is a deficient number, since it is larger than the sum of its proper divisors (39729273).

117511671 is a wasteful number, since it uses less digits than its factorization.

117511671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139681.

The product of its digits is 1470, while the sum is 30.

The square root of 117511671 is about 10840.2800240584. The cubic root of 117511671 is about 489.8092704868.

The spelling of 117511671 in words is "one hundred seventeen million, five hundred eleven thousand, six hundred seventy-one".