11111112111300 has 72 divisors (see below), whose sum is σ = 32166832461792. Its totient is φ = 2961241440000.

The previous prime is 11111112111293. The next prime is 11111112111317. The reversal of 11111112111300 is 311121111111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11111112111300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10244026 + ... + 11276625.

Almost surely, 2^{11111112111300} is an apocalyptic number.

11111112111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111112111300 is an abundant number, since it is smaller than the sum of its proper divisors (21055720350492).

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

11111112111300 is a wasteful number, since it uses less digits than its factorization.

11111112111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522389 (or 21522382 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 15.

Adding to 11111112111300 its reverse (311121111111), we get a palindrome (11422233222411).

The spelling of 11111112111300 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, three hundred".