11121321234605 has 16 divisors (see below), whose sum is σ = 13364698723200. Its totient is φ = 8884320940992.

The previous prime is 11121321234599. The next prime is 11121321234613. The reversal of 11121321234605 is 50643212312111.

It is a cyclic number.

It is not a de Polignac number, because 11121321234605 - 2²⁶ = 11121254125741 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, 14251007 + ... + 15011123.

It is an arithmetic number, because the mean of its divisors is an integer number (835293670200).

Almost surely, 2^{11121321234605} is an apocalyptic number.

It is an amenable number.

11121321234605 is a deficient number, since it is larger than the sum of its proper divisors (2243377488595).

11121321234605 is an equidigital number, since it uses as much as digits as its factorization.

11121321234605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764308.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 11121321234605 its reverse (50643212312111), we get a palindrome (61764533546716).

The spelling of 11121321234605 in words is "eleven trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-four thousand, six hundred five".