11192861 has 2 divisors, whose sum is σ = 11192862. Its totient is φ = 11192860.

The previous prime is 11192849. The next prime is 11192873. The reversal of 11192861 is 16829111.

11192861 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11192849) and next prime (11192873).

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 2869636 = 2885^2 + 1694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11192861 is a prime.

It is a Sophie Germain 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 (11192801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5596430 + 5596431.

It is an arithmetic number, because the mean of its divisors is an integer number (5596431).

Almost surely, 2^11192861 is an apocalyptic number.

It is an amenable number.

11192861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11192861 is an equidigital number, since it uses as much as digits as its factorization.

11192861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 29.

The square root of 11192861 is about 3345.5733439875. The cubic root of 11192861 is about 223.6902406912.

The spelling of 11192861 in words is "eleven million, one hundred ninety-two thousand, eight hundred sixty-one".