111813855883 has 4 divisors (see below), whose sum is σ = 112239003888. Its totient is φ = 111388707880.

The previous prime is 111813855859. The next prime is 111813855893. The reversal of 111813855883 is 388558318111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111813855883 - 2²¹ = 111811758731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111813855883.

It is not an unprimeable number, because it can be changed into a prime (111813855893) 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, 212573608 + ... + 212574133.

It is an arithmetic number, because the mean of its divisors is an integer number (28059750972).

Almost surely, 2^111813855883 is an apocalyptic number.

111813855883 is a deficient number, since it is larger than the sum of its proper divisors (425148005).

111813855883 is an equidigital number, since it uses as much as digits as its factorization.

111813855883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425148004.

The product of its digits is 921600, while the sum is 52.

The spelling of 111813855883 in words is "one hundred eleven billion, eight hundred thirteen million, eight hundred fifty-five thousand, eight hundred eighty-three".