11311333132112 has 20 divisors (see below), whose sum is σ = 23601531631860. Its totient is φ = 5220615291648.

The previous prime is 11311333132087. The next prime is 11311333132159. The reversal of 11311333132112 is 21123133311311.

It can be written as a sum of positive squares in 2 ways, for example, as 4181877761296 + 7129455370816 = 2044964^2 + 2670104^2 .

It is a super-2 number, since 2×11311333132112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27190704437 + ... + 27190704852.

It is an arithmetic number, because the mean of its divisors is an integer number (1180076581593).

Almost surely, 2^{11311333132112} is an apocalyptic number.

It is an amenable number.

11311333132112 is an abundant number, since it is smaller than the sum of its proper divisors (12290198499748).

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

11311333132112 is a wasteful number, since it uses less digits than its factorization.

11311333132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54381409310 (or 54381409304 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

Adding to 11311333132112 its reverse (21123133311311), we get a palindrome (32434466443423).

The spelling of 11311333132112 in words is "eleven trillion, three hundred eleven billion, three hundred thirty-three million, one hundred thirty-two thousand, one hundred twelve".