117551782655999 has 4 divisors (see below), whose sum is σ = 117552336816864. Its totient is φ = 117551228495136.

The previous prime is 117551782655971. The next prime is 117551782656029. The reversal of 117551782655999 is 999556287155711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117551782655999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117551782651999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276762122 + ... + 277186535.

It is an arithmetic number, because the mean of its divisors is an integer number (29388084204216).

Almost surely, 2^{117551782655999} is an apocalyptic number.

117551782655999 is a deficient number, since it is larger than the sum of its proper divisors (554160865).

117551782655999 is an equidigital number, since it uses as much as digits as its factorization.

117551782655999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554160864.

The product of its digits is 2143260000, while the sum is 80.

The spelling of 117551782655999 in words is "one hundred seventeen trillion, five hundred fifty-one billion, seven hundred eighty-two million, six hundred fifty-five thousand, nine hundred ninety-nine".