11090251 has 2 divisors, whose sum is σ = 11090252. Its totient is φ = 11090250.

The previous prime is 11090237. The next prime is 11090263. The reversal of 11090251 is 15209011.

11090251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15209011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11090251 is a prime.

It is not a weakly prime, because it can be changed into another prime (11090221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545125 + 5545126.

It is an arithmetic number, because the mean of its divisors is an integer number (5545126).

Almost surely, 2^11090251 is an apocalyptic number.

11090251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11090251 is an equidigital number, since it uses as much as digits as its factorization.

11090251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 11090251 is about 3330.2028466747. The cubic root of 11090251 is about 223.0045847556.

Adding to 11090251 its reverse (15209011), we get a palindrome (26299262).

The spelling of 11090251 in words is "eleven million, ninety thousand, two hundred fifty-one".