11857361 has 2 divisors, whose sum is σ = 11857362. Its totient is φ = 11857360.

The previous prime is 11857333. The next prime is 11857367. The reversal of 11857361 is 16375811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 126736 = 3425^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 11857361 - 2¹⁸ = 11595217 is a prime.

It is not a weakly prime, because it can be changed into another prime (11857367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928680 + 5928681.

It is an arithmetic number, because the mean of its divisors is an integer number (5928681).

Almost surely, 2^11857361 is an apocalyptic number.

It is an amenable number.

11857361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857361 is an equidigital number, since it uses as much as digits as its factorization.

11857361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 11857361 is about 3443.4519017985. The cubic root of 11857361 is about 228.0321143335.

The spelling of 11857361 in words is "eleven million, eight hundred fifty-seven thousand, three hundred sixty-one".