11440261 has 8 divisors (see below), whose sum is σ = 13762880. Its totient is φ = 9289728.

The previous prime is 11440249. The next prime is 11440291. The reversal of 11440261 is 16204411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11440261 - 2⁵ = 11440229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42876 + ... + 43141.

It is an arithmetic number, because the mean of its divisors is an integer number (1720360).

Almost surely, 2^11440261 is an apocalyptic number.

It is an amenable number.

11440261 is a deficient number, since it is larger than the sum of its proper divisors (2322619).

11440261 is an equidigital number, since it uses as much as digits as its factorization.

11440261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86043.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11440261 is about 3382.3454879713. The cubic root of 11440261 is about 225.3263478241.

Adding to 11440261 its reverse (16204411), we get a palindrome (27644672).

The spelling of 11440261 in words is "eleven million, four hundred forty thousand, two hundred sixty-one".