111245666453 has 8 divisors (see below), whose sum is σ = 111550902840. Its totient is φ = 110940529600.

The previous prime is 111245666423. The next prime is 111245666471. The reversal of 111245666453 is 354666542111.

It can be written as a sum of positive squares in 4 ways, for example, as 6620588689 + 104625077764 = 81367^2 + 323458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111245666453 - 2¹² = 111245662357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111245666423) by changing a digit.

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, 2585351 + ... + 2628027.

It is an arithmetic number, because the mean of its divisors is an integer number (13943862855).

Almost surely, 2^111245666453 is an apocalyptic number.

It is an amenable number.

111245666453 is a deficient number, since it is larger than the sum of its proper divisors (305236387).

111245666453 is an equidigital number, since it uses as much as digits as its factorization.

111245666453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49767.

The product of its digits is 518400, while the sum is 44.

The spelling of 111245666453 in words is "one hundred eleven billion, two hundred forty-five million, six hundred sixty-six thousand, four hundred fifty-three".