11520853 has 2 divisors, whose sum is σ = 11520854. Its totient is φ = 11520852.

The previous prime is 11520833. The next prime is 11520863. The reversal of 11520853 is 35802511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6932689 + 4588164 = 2633^2 + 2142^2 .

It is an emirp because it is prime and its reverse (35802511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760426 + 5760427.

It is an arithmetic number, because the mean of its divisors is an integer number (5760427).

Almost surely, 2^11520853 is an apocalyptic number.

It is an amenable number.

11520853 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520853 is an equidigital number, since it uses as much as digits as its factorization.

11520853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 11520853 is about 3394.2382061370. The cubic root of 11520853 is about 225.8542211253.

The spelling of 11520853 in words is "eleven million, five hundred twenty thousand, eight hundred fifty-three".