11001111099918 has 64 divisors (see below), whose sum is σ = 22443471912960. Its totient is φ = 3594275500032.

The previous prime is 11001111099863. The next prime is 11001111099919. The reversal of 11001111099918 is 81999011110011.

It is a self number, because there is not a number n which added to its sum of digits gives 11001111099918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001111099919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84049321 + ... + 84180107.

It is an arithmetic number, because the mean of its divisors is an integer number (350679248640).

Almost surely, 2^{11001111099918} is an apocalyptic number.

11001111099918 is an abundant number, since it is smaller than the sum of its proper divisors (11442360813042).

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

11001111099918 is a wasteful number, since it uses less digits than its factorization.

11001111099918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132281.

The product of its (nonzero) digits is 5832, while the sum is 42.

The spelling of 11001111099918 in words is "eleven trillion, one billion, one hundred eleven million, ninety-nine thousand, nine hundred eighteen".