11251563 has 16 divisors (see below), whose sum is σ = 15415680. Its totient is φ = 7297344.

The previous prime is 11251561. The next prime is 11251571. The reversal of 11251563 is 36515211.

11251563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11251563 - 2¹ = 11251561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11251561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17868 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 2^11251563 is an apocalyptic number.

11251563 is a deficient number, since it is larger than the sum of its proper divisors (4164117).

11251563 is an equidigital number, since it uses as much as digits as its factorization.

11251563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its digits is 900, while the sum is 24.

The square root of 11251563 is about 3354.3349564407. The cubic root of 11251563 is about 224.0806137890.

Adding to 11251563 its reverse (36515211), we get a palindrome (47766774).

The spelling of 11251563 in words is "eleven million, two hundred fifty-one thousand, five hundred sixty-three".