118408730881 has 8 divisors (see below), whose sum is σ = 136232481600. Its totient is φ = 100812034608.

The previous prime is 118408730879. The next prime is 118408730899. The reversal of 118408730881 is 188037804811.

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 118408730881 - 2¹ = 118408730879 is a prime.

It is a super-2 number, since 2×118408730881² (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 (118408730851) 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, 56762491 + ... + 56764576.

It is an arithmetic number, because the mean of its divisors is an integer number (17029060200).

Almost surely, 2^118408730881 is an apocalyptic number.

It is an amenable number.

118408730881 is a deficient number, since it is larger than the sum of its proper divisors (17823750719).

118408730881 is a wasteful number, since it uses less digits than its factorization.

118408730881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113527223.

The product of its (nonzero) digits is 344064, while the sum is 49.

The spelling of 118408730881 in words is "one hundred eighteen billion, four hundred eight million, seven hundred thirty thousand, eight hundred eighty-one".