11190553 has 4 divisors (see below), whose sum is σ = 12207888. Its totient is φ = 10173220.

The previous prime is 11190547. The next prime is 11190577. The reversal of 11190553 is 35509111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11190553 - 2⁹ = 11190041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11190533) 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, 508651 + ... + 508672.

It is an arithmetic number, because the mean of its divisors is an integer number (3051972).

Almost surely, 2^11190553 is an apocalyptic number.

It is an amenable number.

11190553 is a deficient number, since it is larger than the sum of its proper divisors (1017335).

11190553 is a wasteful number, since it uses less digits than its factorization.

11190553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017334.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 11190553 is about 3345.2283928007. The cubic root of 11190553 is about 223.6748644448.

Adding to 11190553 its reverse (35509111), we get a palindrome (46699664).

The spelling of 11190553 in words is "eleven million, one hundred ninety thousand, five hundred fifty-three".