12113355455 has 4 divisors (see below), whose sum is σ = 14536026552. Its totient is φ = 9690684360.

The previous prime is 12113355407. The next prime is 12113355487. The reversal of 12113355455 is 55455331121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55455331121 = 37 ⋅1498792733.

It is not a de Polignac number, because 12113355455 - 2²² = 12109161151 is a prime.

It is a Duffinian number.

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, 1211335541 + ... + 1211335550.

It is an arithmetic number, because the mean of its divisors is an integer number (3634006638).

Almost surely, 2^12113355455 is an apocalyptic number.

12113355455 is a deficient number, since it is larger than the sum of its proper divisors (2422671097).

12113355455 is an equidigital number, since it uses as much as digits as its factorization.

12113355455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422671096.

The product of its digits is 45000, while the sum is 35.

Adding to 12113355455 its reverse (55455331121), we get a palindrome (67568686576).

The spelling of 12113355455 in words is "twelve billion, one hundred thirteen million, three hundred fifty-five thousand, four hundred fifty-five".