11201131312 has 40 divisors (see below), whose sum is σ = 25081207200. Its totient is φ = 4746542592.

The previous prime is 11201131301. The next prime is 11201131349. The reversal of 11201131312 is 21313110211.

It is a happy number.

11201131312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551887 + ... + 571822.

It is an arithmetic number, because the mean of its divisors is an integer number (627030180).

Almost surely, 2^11201131312 is an apocalyptic number.

It is an amenable number.

11201131312 is an abundant number, since it is smaller than the sum of its proper divisors (13880075888).

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

11201131312 is a wasteful number, since it uses less digits than its factorization.

11201131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123813 (or 1123807 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11201131312 its reverse (21313110211), we get a palindrome (32514241523).

The spelling of 11201131312 in words is "eleven billion, two hundred one million, one hundred thirty-one thousand, three hundred twelve".