111545402245 has 4 divisors (see below), whose sum is σ = 133854482700. Its totient is φ = 89236321792.

The previous prime is 111545402239. The next prime is 111545402261. The reversal of 111545402245 is 542204545111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84518699841 + 27026702404 = 290721^2 + 164398^2 .

It is a cyclic number.

It is not a de Polignac number, because 111545402245 - 2⁹ = 111545401733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111545402245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11154540220 + ... + 11154540229.

It is an arithmetic number, because the mean of its divisors is an integer number (33463620675).

Almost surely, 2^111545402245 is an apocalyptic number.

It is an amenable number.

111545402245 is a deficient number, since it is larger than the sum of its proper divisors (22309080455).

111545402245 is an equidigital number, since it uses as much as digits as its factorization.

111545402245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309080454.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 111545402245 its reverse (542204545111), we get a palindrome (653749947356).

The spelling of 111545402245 in words is "one hundred eleven billion, five hundred forty-five million, four hundred two thousand, two hundred forty-five".