111345536560 has 80 divisors (see below), whose sum is σ = 263315575296. Its totient is φ = 43777730304.

The previous prime is 111345536521. The next prime is 111345536609. The reversal of 111345536560 is 65635543111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2459247 + ... + 2504113.

Almost surely, 2^111345536560 is an apocalyptic number.

111345536560 is a gapful number since it is divisible by the number (10) 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 111345536560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131657787648).

111345536560 is an abundant number, since it is smaller than the sum of its proper divisors (151970038736).

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

111345536560 is a wasteful number, since it uses less digits than its factorization.

111345536560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45410 (or 45404 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 111345536560 in words is "one hundred eleven billion, three hundred forty-five million, five hundred thirty-six thousand, five hundred sixty".