1115305564 has 12 divisors (see below), whose sum is σ = 1952672904. Its totient is φ = 557399024.

The previous prime is 1115305561. The next prime is 1115305571. The reversal of 1115305564 is 4655035111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115305561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53374 + ... + 71269.

It is an arithmetic number, because the mean of its divisors is an integer number (162722742).

Almost surely, 2^1115305564 is an apocalyptic number.

It is an amenable number.

1115305564 is a deficient number, since it is larger than the sum of its proper divisors (837367340).

1115305564 is a wasteful number, since it uses less digits than its factorization.

1115305564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126884 (or 126882 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1115305564 is about 33396.1908606356. The cubic root of 1115305564 is about 1037.0458461114.

The spelling of 1115305564 in words is "one billion, one hundred fifteen million, three hundred five thousand, five hundred sixty-four".