11120451 has 4 divisors (see below), whose sum is σ = 14827272. Its totient is φ = 7413632.

The previous prime is 11120419. The next prime is 11120479. The reversal of 11120451 is 15402111.

It is a happy number.

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 11120451 - 2⁵ = 11120419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11120451.

It is not an unprimeable number, because it can be changed into a prime (11120411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853406 + ... + 1853411.

It is an arithmetic number, because the mean of its divisors is an integer number (3706818).

Almost surely, 2^11120451 is an apocalyptic number.

11120451 is a deficient number, since it is larger than the sum of its proper divisors (3706821).

11120451 is an equidigital number, since it uses as much as digits as its factorization.

11120451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706820.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11120451 is about 3334.7340223772. The cubic root of 11120451 is about 223.2068234769.

Adding to 11120451 its reverse (15402111), we get a palindrome (26522562).

The spelling of 11120451 in words is "eleven million, one hundred twenty thousand, four hundred fifty-one".