117280635855 has 32 divisors (see below), whose sum is σ = 202863820800. Its totient is φ = 57656022912.

The previous prime is 117280635851. The next prime is 117280635859. The reversal of 117280635855 is 558536082711.

It is an interprime number because it is at equal distance from previous prime (117280635851) and next prime (117280635859).

It is not a de Polignac number, because 117280635855 - 2² = 117280635851 is a prime.

It is a super-2 number, since 2×117280635855² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117280635798 and 117280635807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117280635851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5550415 + ... + 5571504.

It is an arithmetic number, because the mean of its divisors is an integer number (6339494400).

Almost surely, 2^117280635855 is an apocalyptic number.

117280635855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117280635855 is a deficient number, since it is larger than the sum of its proper divisors (85583184945).

117280635855 is a wasteful number, since it uses less digits than its factorization.

117280635855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121983.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 117280635855 in words is "one hundred seventeen billion, two hundred eighty million, six hundred thirty-five thousand, eight hundred fifty-five".