111089464840 has 16 divisors (see below), whose sum is σ = 249951295980. Its totient is φ = 44435785920.

The previous prime is 111089464799. The next prime is 111089464847. The reversal of 111089464840 is 48464980111.

It can be written as a sum of positive squares in 2 ways, for example, as 94818421476 + 16271043364 = 307926^2 + 127558^2 .

It is not an unprimeable number, because it can be changed into a prime (111089464847) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1388618271 + ... + 1388618350.

Almost surely, 2^111089464840 is an apocalyptic number.

111089464840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111089464840 is an abundant number, since it is smaller than the sum of its proper divisors (138861831140).

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

111089464840 is a wasteful number, since it uses less digits than its factorization.

111089464840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777236632 (or 2777236628 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 111089464840 in words is "one hundred eleven billion, eighty-nine million, four hundred sixty-four thousand, eight hundred forty".