11152234221144 has 32 divisors (see below), whose sum is σ = 28296713699520. Its totient is φ = 3661927654176.

The previous prime is 11152234221143. The next prime is 11152234221157. The reversal of 11152234221144 is 44112243225111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152234221143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467732914 + ... + 3467736129.

It is an arithmetic number, because the mean of its divisors is an integer number (884272303110).

Almost surely, 2^{11152234221144} is an apocalyptic number.

It is an amenable number.

11152234221144 is an abundant number, since it is smaller than the sum of its proper divisors (17144479478376).

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

11152234221144 is a wasteful number, since it uses less digits than its factorization.

11152234221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935469119 (or 6935469115 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

Adding to 11152234221144 its reverse (44112243225111), we get a palindrome (55264477446255).

The spelling of 11152234221144 in words is "eleven trillion, one hundred fifty-two billion, two hundred thirty-four million, two hundred twenty-one thousand, one hundred forty-four".