11125533 has 4 divisors (see below), whose sum is σ = 14834048. Its totient is φ = 7417020.

The previous prime is 11125489. The next prime is 11125547. The reversal of 11125533 is 33552111.

11125533 is digitally balanced in base 2 and base 4, because in such bases 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33552111 = 3 ⋅11184037.

It is not a de Polignac number, because 11125533 - 2⁸ = 11125277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125553) 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, 1854253 + ... + 1854258.

It is an arithmetic number, because the mean of its divisors is an integer number (3708512).

Almost surely, 2^11125533 is an apocalyptic number.

It is an amenable number.

11125533 is a deficient number, since it is larger than the sum of its proper divisors (3708515).

11125533 is an equidigital number, since it uses as much as digits as its factorization.

11125533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708514.

The product of its digits is 450, while the sum is 21.

The square root of 11125533 is about 3335.4959151526. The cubic root of 11125533 is about 223.2408198296.

Adding to 11125533 its reverse (33552111), we get a palindrome (44677644).

The spelling of 11125533 in words is "eleven million, one hundred twenty-five thousand, five hundred thirty-three".