111649087065600 has 1920 divisors, whose sum is σ = 500828744908800. Its totient is φ = 23779934208000.

The previous prime is 111649087065563. The next prime is 111649087065671. The reversal of 111649087065600 is 6560780946111.

111649087065600 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 4 + 9 + 0 + 8 + 70 + 6 + 560 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4153752961 + ... + 4153779839.

It is an arithmetic number, because the mean of its divisors is an integer number (260848304640).

Almost surely, 2^{111649087065600} is an apocalyptic number.

111649087065600 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 111649087065600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250414372454400).

111649087065600 is an abundant number, since it is smaller than the sum of its proper divisors (389179657843200).

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

111649087065600 is a wasteful number, since it uses less digits than its factorization.

111649087065600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27041 (or 27014 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 111649087065600 in words is "one hundred eleven trillion, six hundred forty-nine billion, eighty-seven million, sixty-five thousand, six hundred".