111354445300555 has 4 divisors (see below), whose sum is σ = 133625334360672. Its totient is φ = 89083556240440.

The previous prime is 111354445300519. The next prime is 111354445300583. The reversal of 111354445300555 is 555003544453111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111354445300555 is a prime.

It is a Duffinian 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, 11135444530051 + ... + 11135444530060.

It is an arithmetic number, because the mean of its divisors is an integer number (33406333590168).

Almost surely, 2^{111354445300555} is an apocalyptic number.

111354445300555 is a deficient number, since it is larger than the sum of its proper divisors (22270889060117).

111354445300555 is an equidigital number, since it uses as much as digits as its factorization.

111354445300555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270889060116.

The product of its (nonzero) digits is 1800000, while the sum is 46.

Adding to 111354445300555 its reverse (555003544453111), we get a palindrome (666357989753666).

The spelling of 111354445300555 in words is "one hundred eleven trillion, three hundred fifty-four billion, four hundred forty-five million, three hundred thousand, five hundred fifty-five".