11411261 has 2 divisors, whose sum is σ = 11411262. Its totient is φ = 11411260.

The previous prime is 11411251. The next prime is 11411269. The reversal of 11411261 is 16211411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 155236 = 3355^2 + 394^2 .

It is an emirp because it is prime and its reverse (16211411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11411261 is a prime.

It is a super-2 number, since 2×11411261² = 260433755220242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11411269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705630 + 5705631.

It is an arithmetic number, because the mean of its divisors is an integer number (5705631).

Almost surely, 2^11411261 is an apocalyptic number.

It is an amenable number.

11411261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11411261 is an equidigital number, since it uses as much as digits as its factorization.

11411261 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11411261 is about 3378.0558017890. The cubic root of 11411261 is about 225.1357929263.

Adding to 11411261 its reverse (16211411), we get a palindrome (27622672).

The spelling of 11411261 in words is "eleven million, four hundred eleven thousand, two hundred sixty-one".