111066636240 has 800 divisors, whose sum is σ = 458387804160. Its totient is φ = 24397728768.

The previous prime is 111066636217. The next prime is 111066636251. The reversal of 111066636240 is 42636660111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 111066636195 and 111066636204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 125782839 + ... + 125783721.

Almost surely, 2^111066636240 is an apocalyptic number.

111066636240 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 111066636240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229193902080).

111066636240 is an abundant number, since it is smaller than the sum of its proper divisors (347321167920).

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

111066636240 is a wasteful number, since it uses less digits than its factorization.

111066636240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 111066636240 in words is "one hundred eleven billion, sixty-six million, six hundred thirty-six thousand, two hundred forty".