11133124451 has 16 divisors (see below), whose sum is σ = 11337254400. Its totient is φ = 10931500800.

The previous prime is 11133124439. The next prime is 11133124459. The reversal of 11133124451 is 15442133111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11133124451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11133124451.

It is not an unprimeable number, because it can be changed into a prime (11133124459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4896851 + ... + 4899123.

It is an arithmetic number, because the mean of its divisors is an integer number (708578400).

Almost surely, 2^11133124451 is an apocalyptic number.

11133124451 is a deficient number, since it is larger than the sum of its proper divisors (204129949).

11133124451 is a wasteful number, since it uses less digits than its factorization.

11133124451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its digits is 1440, while the sum is 26.

Adding to 11133124451 its reverse (15442133111), we get a palindrome (26575257562).

The spelling of 11133124451 in words is "eleven billion, one hundred thirty-three million, one hundred twenty-four thousand, four hundred fifty-one".