111049908144 has 120 divisors (see below), whose sum is σ = 336957004800. Its totient is φ = 31420432512.

The previous prime is 111049908143. The next prime is 111049908149. The reversal of 111049908144 is 441809940111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 111049908096 and 111049908105.

It is not an unprimeable number, because it can be changed into a prime (111049908143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13057 + ... + 471455.

It is an arithmetic number, because the mean of its divisors is an integer number (2807975040).

Almost surely, 2^111049908144 is an apocalyptic number.

111049908144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111049908144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168478502400).

111049908144 is an abundant number, since it is smaller than the sum of its proper divisors (225907096656).

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

111049908144 is a wasteful number, since it uses less digits than its factorization.

111049908144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458527 (or 458514 counting only the distinct ones).

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

The spelling of 111049908144 in words is "one hundred eleven billion, forty-nine million, nine hundred eight thousand, one hundred forty-four".