111864840200045 has 16 divisors (see below), whose sum is σ = 139012738030512. Its totient is φ = 86363947138560.

The previous prime is 111864840199991. The next prime is 111864840200063. The reversal of 111864840200045 is 540002048468111.

It can be written as a sum of positive squares in 8 ways, for example, as 243481059844 + 111621359140201 = 493438^2 + 10565101^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111864840200045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111864840199969 and 111864840200005.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3460077872 + ... + 3460110201.

It is an arithmetic number, because the mean of its divisors is an integer number (8688296126907).

Almost surely, 2^{111864840200045} is an apocalyptic number.

It is an amenable number.

111864840200045 is a deficient number, since it is larger than the sum of its proper divisors (27147897830467).

111864840200045 is an equidigital number, since it uses as much as digits as its factorization.

111864840200045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920188192.

The product of its (nonzero) digits is 245760, while the sum is 44.

Adding to 111864840200045 its reverse (540002048468111), we get a palindrome (651866888668156).

The spelling of 111864840200045 in words is "one hundred eleven trillion, eight hundred sixty-four billion, eight hundred forty million, two hundred thousand, forty-five".