111349211838 has 8 divisors (see below), whose sum is σ = 222698423688. Its totient is φ = 37116403944.

The previous prime is 111349211821. The next prime is 111349211839. The reversal of 111349211838 is 838112943111.

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

111349211838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 111349211838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111349211839) 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, 9279100981 + ... + 9279100992.

It is an arithmetic number, because the mean of its divisors is an integer number (27837302961).

Almost surely, 2^111349211838 is an apocalyptic number.

111349211838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111349211838 is a wasteful number, since it uses less digits than its factorization.

111349211838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18558201978.

The product of its digits is 41472, while the sum is 42.

The spelling of 111349211838 in words is "one hundred eleven billion, three hundred forty-nine million, two hundred eleven thousand, eight hundred thirty-eight".