116018285881 has 4 divisors (see below), whose sum is σ = 119760811264. Its totient is φ = 112275760500.

The previous prime is 116018285861. The next prime is 116018285897. The reversal of 116018285881 is 188582810611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116018285881 - 2⁷ = 116018285753 is a prime.

It is a super-2 number, since 2×116018285881² (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 (116018285821) 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, 1871262645 + ... + 1871262706.

It is an arithmetic number, because the mean of its divisors is an integer number (29940202816).

Almost surely, 2^116018285881 is an apocalyptic number.

It is an amenable number.

116018285881 is a deficient number, since it is larger than the sum of its proper divisors (3742525383).

116018285881 is an equidigital number, since it uses as much as digits as its factorization.

116018285881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742525382.

The product of its (nonzero) digits is 245760, while the sum is 49.

The spelling of 116018285881 in words is "one hundred sixteen billion, eighteen million, two hundred eighty-five thousand, eight hundred eighty-one".