11012863 has 4 divisors (see below), whose sum is σ = 11119888. Its totient is φ = 10905840.

The previous prime is 11012861. The next prime is 11012873. The reversal of 11012863 is 36821011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36821011 = 181 ⋅203431.

It is a cyclic number.

It is not a de Polignac number, because 11012863 - 2¹ = 11012861 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012861) 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 3 ways as a sum of consecutive naturals, for example, 53358 + ... + 53563.

It is an arithmetic number, because the mean of its divisors is an integer number (2779972).

Almost surely, 2^11012863 is an apocalyptic number.

11012863 is a deficient number, since it is larger than the sum of its proper divisors (107025).

11012863 is a wasteful number, since it uses less digits than its factorization.

11012863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107024.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11012863 is about 3318.5633940005. The cubic root of 11012863 is about 222.4846633371.

Adding to 11012863 its reverse (36821011), we get a palindrome (47833874).

The spelling of 11012863 in words is "eleven million, twelve thousand, eight hundred sixty-three".