111243045432 has 64 divisors (see below), whose sum is σ = 294437232000. Its totient is φ = 34926297984.

The previous prime is 111243045383. The next prime is 111243045449. The reversal of 111243045432 is 234540342111.

It is a self number, because there is not a number n which added to its sum of digits gives 111243045432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626182 + ... + 783957.

It is an arithmetic number, because the mean of its divisors is an integer number (4600581750).

Almost surely, 2^111243045432 is an apocalyptic number.

111243045432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111243045432 is an abundant number, since it is smaller than the sum of its proper divisors (183194186568).

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

111243045432 is a wasteful number, since it uses less digits than its factorization.

111243045432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410340 (or 1410336 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 111243045432 its reverse (234540342111), we get a palindrome (345783387543).

The spelling of 111243045432 in words is "one hundred eleven billion, two hundred forty-three million, forty-five thousand, four hundred thirty-two".