11345857 has 2 divisors, whose sum is σ = 11345858. Its totient is φ = 11345856.

The previous prime is 11345849. The next prime is 11345881. The reversal of 11345857 is 75854311.

It is a happy number.

11345857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 646416 = 3271^2 + 804^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345857 - 2³ = 11345849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11345827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672928 + 5672929.

It is an arithmetic number, because the mean of its divisors is an integer number (5672929).

Almost surely, 2^11345857 is an apocalyptic number.

It is an amenable number.

11345857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345857 is an equidigital number, since it uses as much as digits as its factorization.

11345857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 34.

The square root of 11345857 is about 3368.3611742211. The cubic root of 11345857 is about 224.7048442588.

The spelling of 11345857 in words is "eleven million, three hundred forty-five thousand, eight hundred fifty-seven".