111541771320 has 192 divisors, whose sum is σ = 390111876000. Its totient is φ = 25439339520.

The previous prime is 111541771307. The next prime is 111541771343. The reversal of 111541771320 is 23177145111.

111541771320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2690106 + ... + 2731254.

Almost surely, 2^111541771320 is an apocalyptic number.

111541771320 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 111541771320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195055938000).

111541771320 is an abundant number, since it is smaller than the sum of its proper divisors (278570104680).

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

111541771320 is a wasteful number, since it uses less digits than its factorization.

111541771320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41638 (or 41627 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 33.

The spelling of 111541771320 in words is "one hundred eleven billion, five hundred forty-one million, seven hundred seventy-one thousand, three hundred twenty".