111432479144892 has 96 divisors (see below), whose sum is σ = 275373865589760. Its totient is φ = 34998397378560.

The previous prime is 111432479144881. The next prime is 111432479144893. The reversal of 111432479144892 is 298441974234111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432479144893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20128234 + ... + 25060142.

It is an arithmetic number, because the mean of its divisors is an integer number (2868477766560).

Almost surely, 2^{111432479144892} is an apocalyptic number.

111432479144892 is a gapful number since it is divisible by the number (12) 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 111432479144892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137686932794880).

111432479144892 is an abundant number, since it is smaller than the sum of its proper divisors (163941386444868).

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

111432479144892 is a wasteful number, since it uses less digits than its factorization.

111432479144892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933163 (or 4933161 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 111432479144892 in words is "one hundred eleven trillion, four hundred thirty-two billion, four hundred seventy-nine million, one hundred forty-four thousand, eight hundred ninety-two".