1115310660 has 24 divisors (see below), whose sum is σ = 3122870016. Its totient is φ = 297416160.

The previous prime is 1115310631. The next prime is 1115310667. The reversal of 1115310660 is 660135111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115310660.

It is not an unprimeable number, because it can be changed into a prime (1115310667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9294196 + ... + 9294315.

It is an arithmetic number, because the mean of its divisors is an integer number (130119584).

Almost surely, 2^1115310660 is an apocalyptic number.

1115310660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115310660 is an abundant number, since it is smaller than the sum of its proper divisors (2007559356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115310660 is a wasteful number, since it uses less digits than its factorization.

1115310660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18588523 (or 18588521 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1115310660 is about 33396.2671566749. The cubic root of 1115310660 is about 1037.0474255822.

Adding to 1115310660 its reverse (660135111), we get a palindrome (1775445771).

The spelling of 1115310660 in words is "one billion, one hundred fifteen million, three hundred ten thousand, six hundred sixty".