11233320451 has 16 divisors (see below), whose sum is σ = 11907095040. Its totient is φ = 10575512640.

The previous prime is 11233320443. The next prime is 11233320463. The reversal of 11233320451 is 15402333211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11233320451 - 2³ = 11233320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233320481) 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, 1005271 + ... + 1016383.

It is an arithmetic number, because the mean of its divisors is an integer number (744193440).

Almost surely, 2^11233320451 is an apocalyptic number.

11233320451 is a deficient number, since it is larger than the sum of its proper divisors (673774589).

11233320451 is a wasteful number, since it uses less digits than its factorization.

11233320451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 11233320451 its reverse (15402333211), we get a palindrome (26635653662).

The spelling of 11233320451 in words is "eleven billion, two hundred thirty-three million, three hundred twenty thousand, four hundred fifty-one".