181118013365841 has 8 divisors (see below), whose sum is σ = 241499417491200. Its totient is φ = 120740975742192.

The previous prime is 181118013365789. The next prime is 181118013365843. The reversal of 181118013365841 is 148563310811181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 181118013365841 - 2⁶ = 181118013365777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (181118013365843) 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, 1091528641 + ... + 1091694558.

It is an arithmetic number, because the mean of its divisors is an integer number (30187427186400).

Almost surely, 2^{181118013365841} is an apocalyptic number.

It is an amenable number.

181118013365841 is a deficient number, since it is larger than the sum of its proper divisors (60381404125359).

181118013365841 is a wasteful number, since it uses less digits than its factorization.

181118013365841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183250855.

The product of its (nonzero) digits is 552960, while the sum is 51.

The spelling of 181118013365841 in words is "one hundred eighty-one trillion, one hundred eighteen billion, thirteen million, three hundred sixty-five thousand, eight hundred forty-one".