111885939055 has 8 divisors (see below), whose sum is σ = 146468865744. Its totient is φ = 81371592000.

The previous prime is 111885939037. The next prime is 111885939079. The reversal of 111885939055 is 550939588111.

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

It is not a de Polignac number, because 111885939055 - 2¹⁷ = 111885807983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 2034289801 = 111885939055 / (1 + 1 + 1 + 8 + 8 + 5 + 9 + 3 + 9 + 0 + 5 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111885938987 and 111885939005.

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, 1017144846 + ... + 1017144955.

It is an arithmetic number, because the mean of its divisors is an integer number (18308608218).

Almost surely, 2^111885939055 is an apocalyptic number.

111885939055 is a deficient number, since it is larger than the sum of its proper divisors (34582926689).

111885939055 is a wasteful number, since it uses less digits than its factorization.

111885939055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034289817.

The product of its (nonzero) digits is 1944000, while the sum is 55.

The spelling of 111885939055 in words is "one hundred eleven billion, eight hundred eighty-five million, nine hundred thirty-nine thousand, fifty-five".