117078511 has 12 divisors (see below), whose sum is σ = 129530296. Its totient is φ = 105739920.

The previous prime is 117078491. The next prime is 117078517. The reversal of 117078511 is 115870711.

It is not a de Polignac number, because 117078511 - 2⁹ = 117077999 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117078517) 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, 15916 + ... + 22078.

Almost surely, 2^117078511 is an apocalyptic number.

117078511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117078511 is a deficient number, since it is larger than the sum of its proper divisors (12451785).

117078511 is a wasteful number, since it uses less digits than its factorization.

117078511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342 (or 6331 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 31.

The square root of 117078511 is about 10820.2823900303. The cubic root of 117078511 is about 489.2067005316.

The spelling of 117078511 in words is "one hundred seventeen million, seventy-eight thousand, five hundred eleven".