111055023472 has 80 divisors (see below), whose sum is σ = 231315552000. Its totient is φ = 51534120960.

The previous prime is 111055023461. The next prime is 111055023479. The reversal of 111055023472 is 274320550111.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111055023479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117308 + ... + 2169124.

It is an arithmetic number, because the mean of its divisors is an integer number (2891444400).

Almost surely, 2^111055023472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111055023472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115657776000).

111055023472 is an abundant number, since it is smaller than the sum of its proper divisors (120260528528).

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

111055023472 is a wasteful number, since it uses less digits than its factorization.

111055023472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52034 (or 52028 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 111055023472 its reverse (274320550111), we get a palindrome (385375573583).

The spelling of 111055023472 in words is "one hundred eleven billion, fifty-five million, twenty-three thousand, four hundred seventy-two".