11125451 has 4 divisors (see below), whose sum is σ = 11132472. Its totient is φ = 11118432.

The previous prime is 11125447. The next prime is 11125459. The reversal of 11125451 is 15452111.

11125451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15452111 = 19 ⋅813269.

It is a cyclic number.

It is not a de Polignac number, because 11125451 - 2² = 11125447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125459) 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, 116 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (2783118).

Almost surely, 2^11125451 is an apocalyptic number.

11125451 is a deficient number, since it is larger than the sum of its proper divisors (7021).

11125451 is an equidigital number, since it uses as much as digits as its factorization.

11125451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020.

The product of its digits is 200, while the sum is 20.

The square root of 11125451 is about 3335.4836231048. The cubic root of 11125451 is about 223.2402713677.

Adding to 11125451 its reverse (15452111), we get a palindrome (26577562).

The spelling of 11125451 in words is "eleven million, one hundred twenty-five thousand, four hundred fifty-one".