11115643040260 has 48 divisors (see below), whose sum is σ = 25576128365760. Its totient is φ = 4024401114240.

The previous prime is 11115643040233. The next prime is 11115643040273. The reversal of 11115643040260 is 6204034651111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110267634 + ... + 110368393.

It is an arithmetic number, because the mean of its divisors is an integer number (532836007620).

Almost surely, 2^{11115643040260} is an apocalyptic number.

11115643040260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11115643040260 is an abundant number, since it is smaller than the sum of its proper divisors (14460485325500).

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

11115643040260 is a wasteful number, since it uses less digits than its factorization.

11115643040260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220636276 (or 220636274 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 11115643040260 its reverse (6204034651111), we get a palindrome (17319677691371).

The spelling of 11115643040260 in words is "eleven trillion, one hundred fifteen billion, six hundred forty-three million, forty thousand, two hundred sixty".