11090261 has 16 divisors (see below), whose sum is σ = 13945344. Its totient is φ = 8584704.

The previous prime is 11090251. The next prime is 11090263. The reversal of 11090261 is 16209011.

11090261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11090261 - 2¹⁸ = 10828117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981 + ... + 5573.

It is an arithmetic number, because the mean of its divisors is an integer number (871584).

Almost surely, 2^11090261 is an apocalyptic number.

It is an amenable number.

11090261 is a deficient number, since it is larger than the sum of its proper divisors (2855083).

11090261 is a wasteful number, since it uses less digits than its factorization.

11090261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 11090261 is about 3330.2043480844. The cubic root of 11090261 is about 223.0046517828.

Adding to 11090261 its reverse (16209011), we get a palindrome (27299272).

The spelling of 11090261 in words is "eleven million, ninety thousand, two hundred sixty-one".