111045020532 has 12 divisors (see below), whose sum is σ = 259105047936. Its totient is φ = 37015006840.

The previous prime is 111045020507. The next prime is 111045020539. The reversal of 111045020532 is 235020540111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111045020539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4626875844 + ... + 4626875867.

It is an arithmetic number, because the mean of its divisors is an integer number (21592087328).

Almost surely, 2^111045020532 is an apocalyptic number.

111045020532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111045020532 is an abundant number, since it is smaller than the sum of its proper divisors (148060027404).

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

111045020532 is a wasteful number, since it uses less digits than its factorization.

111045020532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253751718 (or 9253751716 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 111045020532 its reverse (235020540111), we get a palindrome (346065560643).

The spelling of 111045020532 in words is "one hundred eleven billion, forty-five million, twenty thousand, five hundred thirty-two".