111100545455 has 8 divisors (see below), whose sum is σ = 133340104800. Its totient is φ = 88867469536.

The previous prime is 111100545449. The next prime is 111100545461. The reversal of 111100545455 is 554545001111.

It is an interprime number because it is at equal distance from previous prime (111100545449) and next prime (111100545461).

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 111100545455 - 2¹² = 111100541359 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1583075 + ... + 1651764.

It is an arithmetic number, because the mean of its divisors is an integer number (16667513100).

Almost surely, 2^111100545455 is an apocalyptic number.

111100545455 is a deficient number, since it is larger than the sum of its proper divisors (22239559345).

111100545455 is an equidigital number, since it uses as much as digits as its factorization.

111100545455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241713.

The product of its (nonzero) digits is 10000, while the sum is 32.

Adding to 111100545455 its reverse (554545001111), we get a palindrome (665645546566).

The spelling of 111100545455 in words is "one hundred eleven billion, one hundred million, five hundred forty-five thousand, four hundred fifty-five".