111056204513 has 4 divisors (see below), whose sum is σ = 115884735168. Its totient is φ = 106227673860.

The previous prime is 111056204507. The next prime is 111056204531. The reversal of 111056204513 is 315402650111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111056204513 - 2¹⁸ = 111055942369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111056204573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414265293 + ... + 2414265338.

It is an arithmetic number, because the mean of its divisors is an integer number (28971183792).

Almost surely, 2^111056204513 is an apocalyptic number.

It is an amenable number.

111056204513 is a deficient number, since it is larger than the sum of its proper divisors (4828530655).

111056204513 is an equidigital number, since it uses as much as digits as its factorization.

111056204513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828530654.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 111056204513 its reverse (315402650111), we get a palindrome (426458854624).

The spelling of 111056204513 in words is "one hundred eleven billion, fifty-six million, two hundred four thousand, five hundred thirteen".