111546800064 has 84 divisors (see below), whose sum is σ = 365404312624. Its totient is φ = 31870513152.

The previous prime is 111546800051. The next prime is 111546800083. The reversal of 111546800064 is 460008645111.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13828657 + ... + 13836720.

Almost surely, 2^111546800064 is an apocalyptic number.

111546800064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111546800064 is an abundant number, since it is smaller than the sum of its proper divisors (253857512560).

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

111546800064 is a wasteful number, since it uses less digits than its factorization.

111546800064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27665402 (or 27665389 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 111546800064 in words is "one hundred eleven billion, five hundred forty-six million, eight hundred thousand, sixty-four".