111802406720 has 56 divisors (see below), whose sum is σ = 281890052424. Its totient is φ = 42090315776.

The previous prime is 111802406711. The next prime is 111802406759. The reversal of 111802406720 is 27604208111.

It is a happy number.

111802406720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12239439424 + 99562967296 = 110632^2 + 315536^2 .

It is a super-3 number, since 3×111802406720³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10270517 + ... + 10281396.

Almost surely, 2^111802406720 is an apocalyptic number.

111802406720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111802406720 is an abundant number, since it is smaller than the sum of its proper divisors (170087645704).

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

111802406720 is a wasteful number, since it uses less digits than its factorization.

111802406720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551947 (or 20551937 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 111802406720 in words is "one hundred eleven billion, eight hundred two million, four hundred six thousand, seven hundred twenty".