11211263 has 4 divisors (see below), whose sum is σ = 12812880. Its totient is φ = 9609648.

The previous prime is 11211247. The next prime is 11211271. The reversal of 11211263 is 36211211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11211263 - 2⁴ = 11211247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211203) 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, 800798 + ... + 800811.

It is an arithmetic number, because the mean of its divisors is an integer number (3203220).

Almost surely, 2^11211263 is an apocalyptic number.

11211263 is a deficient number, since it is larger than the sum of its proper divisors (1601617).

11211263 is an equidigital number, since it uses as much as digits as its factorization.

11211263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601616.

The product of its digits is 72, while the sum is 17.

The square root of 11211263 is about 3348.3224157778. The cubic root of 11211263 is about 223.8127620613.

Adding to 11211263 its reverse (36211211), we get a palindrome (47422474).

The spelling of 11211263 in words is "eleven million, two hundred eleven thousand, two hundred sixty-three".