111700426481280 has 4608 divisors, whose sum is σ = 518648279385600. Its totient is φ = 22470843432960.

The previous prime is 111700426481263. The next prime is 111700426481309. The reversal of 111700426481280 is 82184624007111.

111700426481280 is a `hidden beast` number, since 1 + 1 + 1 + 70 + 0 + 4 + 26 + 481 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 415243220986 + ... + 415243221254.

It is an arithmetic number, because the mean of its divisors is an integer number (112553880075).

Almost surely, 2^{111700426481280} is an apocalyptic number.

111700426481280 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 111700426481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259324139692800).

111700426481280 is an abundant number, since it is smaller than the sum of its proper divisors (406947852904320).

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

111700426481280 is a wasteful number, since it uses less digits than its factorization.

111700426481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 111700426481280 in words is "one hundred eleven trillion, seven hundred billion, four hundred twenty-six million, four hundred eighty-one thousand, two hundred eighty".