11126323451 has 4 divisors (see below), whose sum is σ = 11283032304. Its totient is φ = 10969614600.

The previous prime is 11126323441. The next prime is 11126323457. The reversal of 11126323451 is 15432362111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11126323451 - 2¹⁸ = 11126061307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11126323457) 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, 78354320 + ... + 78354461.

It is an arithmetic number, because the mean of its divisors is an integer number (2820758076).

Almost surely, 2^11126323451 is an apocalyptic number.

11126323451 is a deficient number, since it is larger than the sum of its proper divisors (156708853).

11126323451 is an equidigital number, since it uses as much as digits as its factorization.

11126323451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156708852.

The product of its digits is 4320, while the sum is 29.

Adding to 11126323451 its reverse (15432362111), we get a palindrome (26558685562).

The spelling of 11126323451 in words is "eleven billion, one hundred twenty-six million, three hundred twenty-three thousand, four hundred fifty-one".