11251863 has 12 divisors (see below), whose sum is σ = 18574608. Its totient is φ = 6429600.

The previous prime is 11251861. The next prime is 11251871. The reversal of 11251863 is 36815211.

It is not a de Polignac number, because 11251863 - 2¹ = 11251861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89238 + ... + 89363.

It is an arithmetic number, because the mean of its divisors is an integer number (1547884).

Almost surely, 2^11251863 is an apocalyptic number.

11251863 is a deficient number, since it is larger than the sum of its proper divisors (7322745).

11251863 is a wasteful number, since it uses less digits than its factorization.

11251863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178614 (or 178611 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11251863 is about 3354.3796743958. The cubic root of 11251863 is about 224.0826053223.

The spelling of 11251863 in words is "eleven million, two hundred fifty-one thousand, eight hundred sixty-three".