11141261 has 4 divisors (see below), whose sum is σ = 11159232. Its totient is φ = 11123292.

The previous prime is 11141243. The next prime is 11141279. The reversal of 11141261 is 16214111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11141243) and next prime (11141279).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11141261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144261) 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, 8021 + ... + 9306.

It is an arithmetic number, because the mean of its divisors is an integer number (2789808).

Almost surely, 2^11141261 is an apocalyptic number.

It is an amenable number.

11141261 is a deficient number, since it is larger than the sum of its proper divisors (17971).

11141261 is an equidigital number, since it uses as much as digits as its factorization.

11141261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17970.

The product of its digits is 48, while the sum is 17.

The square root of 11141261 is about 3337.8527528937. The cubic root of 11141261 is about 223.3459677019.

Adding to 11141261 its reverse (16214111), we get a palindrome (27355372).

The spelling of 11141261 in words is "eleven million, one hundred forty-one thousand, two hundred sixty-one".