111432479144952 has 192 divisors, whose sum is σ = 326593688186880. Its totient is φ = 31590166745088.

The previous prime is 111432479144951. The next prime is 111432479144957. The reversal of 111432479144952 is 259441974234111.

It is a junction number, because it is equal to n+sod(n) for n = 111432479144892 and 111432479144901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432479144951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86287803 + ... + 87569685.

It is an arithmetic number, because the mean of its divisors is an integer number (1701008792640).

Almost surely, 2^{111432479144952} is an apocalyptic number.

111432479144952 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 111432479144952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163296844093440).

111432479144952 is an abundant number, since it is smaller than the sum of its proper divisors (215161209041928).

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

111432479144952 is a wasteful number, since it uses less digits than its factorization.

111432479144952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282482 (or 1282471 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The spelling of 111432479144952 in words is "one hundred eleven trillion, four hundred thirty-two billion, four hundred seventy-nine million, one hundred forty-four thousand, nine hundred fifty-two".