11291241 has 16 divisors (see below), whose sum is σ = 16592576. Its totient is φ = 6785856.

The previous prime is 11291221. The next prime is 11291249. The reversal of 11291241 is 14219211.

It is a happy number.

It is not a de Polignac number, because 11291241 - 2⁵ = 11291209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11291249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (1037036).

Almost surely, 2^11291241 is an apocalyptic number.

It is an amenable number.

11291241 is a deficient number, since it is larger than the sum of its proper divisors (5301335).

11291241 is a wasteful number, since it uses less digits than its factorization.

11291241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792.

The product of its digits is 144, while the sum is 21.

The square root of 11291241 is about 3360.2441875554. The cubic root of 11291241 is about 224.3437073028.

The spelling of 11291241 in words is "eleven million, two hundred ninety-one thousand, two hundred forty-one".