111244645230 has 64 divisors (see below), whose sum is σ = 273724932096. Its totient is φ = 28917792000.

The previous prime is 111244645181. The next prime is 111244645241. The reversal of 111244645230 is 32546442111.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111244645191 and 111244645200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1477395 + ... + 1550865.

It is an arithmetic number, because the mean of its divisors is an integer number (4276952064).

Almost surely, 2^111244645230 is an apocalyptic number.

111244645230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111244645230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136862466048).

111244645230 is an abundant number, since it is smaller than the sum of its proper divisors (162480286866).

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

111244645230 is a wasteful number, since it uses less digits than its factorization.

111244645230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74753.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 111244645230 in words is "one hundred eleven billion, two hundred forty-four million, six hundred forty-five thousand, two hundred thirty".