11861411 has 2 divisors, whose sum is σ = 11861412. Its totient is φ = 11861410.

The previous prime is 11861407. The next prime is 11861413. The reversal of 11861411 is 11416811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11861411 - 2² = 11861407 is a prime.

It is a Sophie Germain prime.

Together with 11861413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11861413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930705 + 5930706.

It is an arithmetic number, because the mean of its divisors is an integer number (5930706).

Almost surely, 2^11861411 is an apocalyptic number.

11861411 is a deficient number, since it is larger than the sum of its proper divisors (1).

11861411 is an equidigital number, since it uses as much as digits as its factorization.

11861411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 23.

The square root of 11861411 is about 3444.0399242750. The cubic root of 11861411 is about 228.0580735931.

The spelling of 11861411 in words is "eleven million, eight hundred sixty-one thousand, four hundred eleven".