11211113312 has 24 divisors (see below), whose sum is σ = 25225005456. Its totient is φ = 4804762752.

The previous prime is 11211113299. The next prime is 11211113321. The reversal of 11211113312 is 21331111211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25024583 + ... + 25025030.

It is an arithmetic number, because the mean of its divisors is an integer number (1051041894).

Almost surely, 2^11211113312 is an apocalyptic number.

It is an amenable number.

11211113312 is an abundant number, since it is smaller than the sum of its proper divisors (14013892144).

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

11211113312 is an equidigital number, since it uses as much as digits as its factorization.

11211113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50049630 (or 50049622 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 11211113312 its reverse (21331111211), we get a palindrome (32542224523).

The spelling of 11211113312 in words is "eleven billion, two hundred eleven million, one hundred thirteen thousand, three hundred twelve".