1115485853 has 2 divisors, whose sum is σ = 1115485854. Its totient is φ = 1115485852.

The previous prime is 1115485837. The next prime is 1115485909. The reversal of 1115485853 is 3585845111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083923929 + 31561924 = 32923^2 + 5618^2 .

It is an emirp because it is prime and its reverse (3585845111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115485853 - 2⁴ = 1115485837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115485853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115485823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557742926 + 557742927.

It is an arithmetic number, because the mean of its divisors is an integer number (557742927).

Almost surely, 2^1115485853 is an apocalyptic number.

It is an amenable number.

1115485853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115485853 is an equidigital number, since it uses as much as digits as its factorization.

1115485853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 41.

The square root of 1115485853 is about 33398.8899965253. The cubic root of 1115485853 is about 1037.1017225430.

The spelling of 1115485853 in words is "one billion, one hundred fifteen million, four hundred eighty-five thousand, eight hundred fifty-three".