111605699712 has 64 divisors (see below), whose sum is σ = 319256703360. Its totient is φ = 34340213760.

The previous prime is 111605699693. The next prime is 111605699747. The reversal of 111605699712 is 217996506111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11173464 + ... + 11183447.

It is an arithmetic number, because the mean of its divisors is an integer number (4988385990).

Almost surely, 2^111605699712 is an apocalyptic number.

111605699712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111605699712 is an abundant number, since it is smaller than the sum of its proper divisors (207651003648).

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

111605699712 is a wasteful number, since it uses less digits than its factorization.

111605699712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356941 (or 22356929 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 111605699712 in words is "one hundred eleven billion, six hundred five million, six hundred ninety-nine thousand, seven hundred twelve".