1115286853 has 16 divisors (see below), whose sum is σ = 1215466560. Its totient is φ = 1019382016.

The previous prime is 1115286817. The next prime is 1115286881. The reversal of 1115286853 is 3586825111.

It is a happy number.

It is not a de Polignac number, because 1115286853 - 2²⁹ = 578415941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115286803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76551 + ... + 89947.

It is an arithmetic number, because the mean of its divisors is an integer number (75966660).

Almost surely, 2^1115286853 is an apocalyptic number.

It is an amenable number.

1115286853 is a deficient number, since it is larger than the sum of its proper divisors (100179707).

1115286853 is a wasteful number, since it uses less digits than its factorization.

1115286853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556.

The product of its digits is 57600, while the sum is 40.

The square root of 1115286853 is about 33395.9107227217. The cubic root of 1115286853 is about 1037.0400467222.

The spelling of 1115286853 in words is "one billion, one hundred fifteen million, two hundred eighty-six thousand, eight hundred fifty-three".