111320671155720 has 256 divisors, whose sum is σ = 372846455654400. Its totient is φ = 26404261355520.

The previous prime is 111320671155719. The next prime is 111320671155761. The reversal of 111320671155720 is 27551176023111.

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, 6328146 + ... + 16207614.

It is an arithmetic number, because the mean of its divisors is an integer number (1456431467400).

Almost surely, 2^{111320671155720} is an apocalyptic number.

111320671155720 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 111320671155720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186423227827200).

111320671155720 is an abundant number, since it is smaller than the sum of its proper divisors (261525784498680).

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

111320671155720 is a wasteful number, since it uses less digits than its factorization.

111320671155720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879760 (or 9879756 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 111320671155720 in words is "one hundred eleven trillion, three hundred twenty billion, six hundred seventy-one million, one hundred fifty-five thousand, seven hundred twenty".