111881853854 has 16 divisors (see below), whose sum is σ = 171738702960. Its totient is φ = 54635817600.

The previous prime is 111881853847. The next prime is 111881853929. The reversal of 111881853854 is 458358188111.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 111881853796 and 111881853805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299992 + ... + 1383380.

It is an arithmetic number, because the mean of its divisors is an integer number (10733668935).

Almost surely, 2^111881853854 is an apocalyptic number.

111881853854 is a deficient number, since it is larger than the sum of its proper divisors (59856849106).

111881853854 is a wasteful number, since it uses less digits than its factorization.

111881853854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99035.

The product of its digits is 1228800, while the sum is 53.

The spelling of 111881853854 in words is "one hundred eleven billion, eight hundred eighty-one million, eight hundred fifty-three thousand, eight hundred fifty-four".