111009670021632 has 640 divisors, whose sum is σ = 317320513044480. Its totient is φ = 34422184673280.

The previous prime is 111009670021571. The next prime is 111009670021643. The reversal of 111009670021632 is 236120076900111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93521204143 + ... + 93521205329.

It is an arithmetic number, because the mean of its divisors is an integer number (495813301632).

Almost surely, 2^{111009670021632} is an apocalyptic number.

111009670021632 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 111009670021632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158660256522240).

111009670021632 is an abundant number, since it is smaller than the sum of its proper divisors (206310843022848).

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

111009670021632 is a wasteful number, since it uses less digits than its factorization.

111009670021632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 111009670021632 in words is "one hundred eleven trillion, nine billion, six hundred seventy million, twenty-one thousand, six hundred thirty-two".