11491093 has 2 divisors, whose sum is σ = 11491094. Its totient is φ = 11491092.

The previous prime is 11491091. The next prime is 11491097. The reversal of 11491093 is 39019411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 1868689 = 3102^2 + 1367^2 .

It is a cyclic number.

It is not a de Polignac number, because 11491093 - 2¹ = 11491091 is a prime.

Together with 11491091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11491091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5745546 + 5745547.

It is an arithmetic number, because the mean of its divisors is an integer number (5745547).

Almost surely, 2^11491093 is an apocalyptic number.

It is an amenable number.

11491093 is a deficient number, since it is larger than the sum of its proper divisors (1).

11491093 is an equidigital number, since it uses as much as digits as its factorization.

11491093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11491093 is about 3389.8514716725. The cubic root of 11491093 is about 225.6595822561.

The spelling of 11491093 in words is "eleven million, four hundred ninety-one thousand, ninety-three".