1115885493 has 12 divisors (see below), whose sum is σ = 1612124800. Its totient is φ = 743789736.

The previous prime is 1115885489. The next prime is 1115885539. The reversal of 1115885493 is 3945885111.

1115885493 is a `hidden beast` number, since 1 + 1 + 158 + 8 + 5 + 493 = 666.

It is not a de Polignac number, because 1115885493 - 2² = 1115885489 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 (1115885093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87630 + ... + 99552.

Almost surely, 2^1115885493 is an apocalyptic number.

It is an amenable number.

1115885493 is a deficient number, since it is larger than the sum of its proper divisors (496239307).

1115885493 is a wasteful number, since it uses less digits than its factorization.

1115885493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22328 (or 22325 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 1115885493 is about 33404.8722943226. The cubic root of 1115885493 is about 1037.2255603143.

The spelling of 1115885493 in words is "one billion, one hundred fifteen million, eight hundred eighty-five thousand, four hundred ninety-three".