1180318538881 has 8 divisors (see below), whose sum is σ = 1181203251200. Its totient is φ = 1179434092320.

The previous prime is 1180318538873. The next prime is 1180318538891. The reversal of 1180318538881 is 1888358130811.

It is a happy number.

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 1180318538881 - 2³ = 1180318538873 is a prime.

It is a super-2 number, since 2×1180318538881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180318538851) 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, 9309925 + ... + 9435853.

It is an arithmetic number, because the mean of its divisors is an integer number (147650406400).

Almost surely, 2^{1180318538881} is an apocalyptic number.

It is an amenable number.

1180318538881 is a deficient number, since it is larger than the sum of its proper divisors (884712319).

1180318538881 is a wasteful number, since it uses less digits than its factorization.

1180318538881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132879.

The product of its (nonzero) digits is 1474560, while the sum is 55.

The spelling of 1180318538881 in words is "one trillion, one hundred eighty billion, three hundred eighteen million, five hundred thirty-eight thousand, eight hundred eighty-one".