11268251 has 4 divisors (see below), whose sum is σ = 11275104. Its totient is φ = 11261400.

The previous prime is 11268209. The next prime is 11268253. The reversal of 11268251 is 15286211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11268251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11268251.

It is not an unprimeable number, because it can be changed into a prime (11268253) 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, 686 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (2818776).

Almost surely, 2^11268251 is an apocalyptic number.

11268251 is the 2741-st pentagonal number.

11268251 is a deficient number, since it is larger than the sum of its proper divisors (6853).

11268251 is an equidigital number, since it uses as much as digits as its factorization.

11268251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852.

The product of its digits is 960, while the sum is 26.

The square root of 11268251 is about 3356.8215621328. The cubic root of 11268251 is about 224.1913424066.

The spelling of 11268251 in words is "eleven million, two hundred sixty-eight thousand, two hundred fifty-one".