111082897680 has 160 divisors (see below), whose sum is σ = 356175774720. Its totient is φ = 28609259520.

The previous prime is 111082897657. The next prime is 111082897697. The reversal of 111082897680 is 86798280111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3772294 + ... + 3801626.

It is an arithmetic number, because the mean of its divisors is an integer number (2226098592).

Almost surely, 2^111082897680 is an apocalyptic number.

111082897680 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 111082897680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178087887360).

111082897680 is an abundant number, since it is smaller than the sum of its proper divisors (245092877040).

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

111082897680 is a wasteful number, since it uses less digits than its factorization.

111082897680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889 (or 29883 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 51.

The spelling of 111082897680 in words is "one hundred eleven billion, eighty-two million, eight hundred ninety-seven thousand, six hundred eighty".