117641580881 has 16 divisors (see below), whose sum is σ = 137088013248. Its totient is φ = 99765120000.

The previous prime is 117641580821. The next prime is 117641580887. The reversal of 117641580881 is 188085146711.

It is a cyclic number.

It is not a de Polignac number, because 117641580881 - 2⁶ = 117641580817 is a prime.

It is a super-2 number, since 2×117641580881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117641580887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762495 + ... + 2804756.

It is an arithmetic number, because the mean of its divisors is an integer number (8568000828).

Almost surely, 2^117641580881 is an apocalyptic number.

117641580881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117641580881 is a deficient number, since it is larger than the sum of its proper divisors (19446432367).

117641580881 is a wasteful number, since it uses less digits than its factorization.

117641580881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567392.

The product of its (nonzero) digits is 430080, while the sum is 50.

The spelling of 117641580881 in words is "one hundred seventeen billion, six hundred forty-one million, five hundred eighty thousand, eight hundred eighty-one".