111438812610359 has 16 divisors (see below), whose sum is σ = 120495256469280. Its totient is φ = 102451585584000.

The previous prime is 111438812610331. The next prime is 111438812610373. The reversal of 111438812610359 is 953016218834111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111438812610359 - 2³² = 111434517643063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111438812610359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111438812610259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64396277 + ... + 66104145.

It is an arithmetic number, because the mean of its divisors is an integer number (7530953529330).

Almost surely, 2^{111438812610359} is an apocalyptic number.

111438812610359 is a deficient number, since it is larger than the sum of its proper divisors (9056443858921).

111438812610359 is a wasteful number, since it uses less digits than its factorization.

111438812610359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728130.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 111438812610359 in words is "one hundred eleven trillion, four hundred thirty-eight billion, eight hundred twelve million, six hundred ten thousand, three hundred fifty-nine".