11113420655 has 16 divisors (see below), whose sum is σ = 13509957600. Its totient is φ = 8775191040.

The previous prime is 11113420639. The next prime is 11113420667. The reversal of 11113420655 is 55602431111.

It is not a de Polignac number, because 11113420655 - 2⁴ = 11113420639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231260 + ... + 275150.

It is an arithmetic number, because the mean of its divisors is an integer number (844372350).

Almost surely, 2^11113420655 is an apocalyptic number.

11113420655 is a deficient number, since it is larger than the sum of its proper divisors (2396536945).

11113420655 is an equidigital number, since it uses as much as digits as its factorization.

11113420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44554.

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

Adding to 11113420655 its reverse (55602431111), we get a palindrome (66715851766).

The spelling of 11113420655 in words is "eleven billion, one hundred thirteen million, four hundred twenty thousand, six hundred fifty-five".