18885860043 has 16 divisors (see below), whose sum is σ = 25675800096. Its totient is φ = 12344567040.

The previous prime is 18885860017. The next prime is 18885860047. The reversal of 18885860043 is 34006858881.

It is not a de Polignac number, because 18885860043 - 2⁵ = 18885860011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18885860047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107580 + ... + 222137.

It is an arithmetic number, because the mean of its divisors is an integer number (1604737506).

Almost surely, 2^18885860043 is an apocalyptic number.

18885860043 is a deficient number, since it is larger than the sum of its proper divisors (6789940053).

18885860043 is a wasteful number, since it uses less digits than its factorization.

18885860043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330094.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 18885860043 in words is "eighteen billion, eight hundred eighty-five million, eight hundred sixty thousand, forty-three".