11123404355 has 16 divisors (see below), whose sum is σ = 15343141824. Its totient is φ = 7583383680.

The previous prime is 11123404337. The next prime is 11123404361. The reversal of 11123404355 is 55340432111.

It is not a de Polignac number, because 11123404355 - 2³² = 6828437059 is a prime.

It is a Duffinian 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, 912476 + ... + 924585.

It is an arithmetic number, because the mean of its divisors is an integer number (958946364).

Almost surely, 2^11123404355 is an apocalyptic number.

11123404355 is a deficient number, since it is larger than the sum of its proper divisors (4219737469).

11123404355 is a wasteful number, since it uses less digits than its factorization.

11123404355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837246.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11123404355 its reverse (55340432111), we get a palindrome (66463836466).

The spelling of 11123404355 in words is "eleven billion, one hundred twenty-three million, four hundred four thousand, three hundred fifty-five".