11275563 has 16 divisors (see below), whose sum is σ = 16321536. Its totient is φ = 6882720.

The previous prime is 11275547. The next prime is 11275567. The reversal of 11275563 is 36557211.

It is not a de Polignac number, because 11275563 - 2⁴ = 11275547 is a prime.

It is a super-3 number, since 3×11275563³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11275563.

It is not an unprimeable number, because it can be changed into a prime (11275567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006 + ... + 6212.

It is an arithmetic number, because the mean of its divisors is an integer number (1020096).

Almost surely, 2^11275563 is an apocalyptic number.

11275563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11275563 is a deficient number, since it is larger than the sum of its proper divisors (5045973).

11275563 is a wasteful number, since it uses less digits than its factorization.

11275563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354.

The product of its digits is 6300, while the sum is 30.

The square root of 11275563 is about 3357.9105110172. The cubic root of 11275563 is about 224.2398247205.

The spelling of 11275563 in words is "eleven million, two hundred seventy-five thousand, five hundred sixty-three".