11013331218 has 32 divisors (see below), whose sum is σ = 22795300800. Its totient is φ = 3543105216.

The previous prime is 11013331213. The next prime is 11013331249. The reversal of 11013331218 is 81213331011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11013331213) 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, 479280 + ... + 501732.

It is an arithmetic number, because the mean of its divisors is an integer number (712353150).

Almost surely, 2^11013331218 is an apocalyptic number.

11013331218 is an abundant number, since it is smaller than the sum of its proper divisors (11781969582).

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

11013331218 is a wasteful number, since it uses less digits than its factorization.

11013331218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25306.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 11013331218 its reverse (81213331011), we get a palindrome (92226662229).

The spelling of 11013331218 in words is "eleven billion, thirteen million, three hundred thirty-one thousand, two hundred eighteen".