111906650569896 has 512 divisors, whose sum is σ = 390516940800000. Its totient is φ = 29504603600640.

The previous prime is 111906650569871. The next prime is 111906650569913. The reversal of 111906650569896 is 698965056609111.

111906650569896 is a `hidden beast` number, since 1 + 1 + 1 + 9 + 0 + 6 + 6 + 50 + 569 + 8 + 9 + 6 = 666.

111906650569896 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3408550201 + ... + 3408583031.

It is an arithmetic number, because the mean of its divisors is an integer number (762728400000).

Almost surely, 2^{111906650569896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111906650569896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195258470400000).

111906650569896 is an abundant number, since it is smaller than the sum of its proper divisors (278610290230104).

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

111906650569896 is a wasteful number, since it uses less digits than its factorization.

111906650569896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36419 (or 36395 counting only the distinct ones).

The product of its (nonzero) digits is 188956800, while the sum is 72.

The spelling of 111906650569896 in words is "one hundred eleven trillion, nine hundred six billion, six hundred fifty million, five hundred sixty-nine thousand, eight hundred ninety-six".