11214424544 has 48 divisors (see below), whose sum is σ = 23388750000. Its totient is φ = 5274753024.

The previous prime is 11214424537. The next prime is 11214424547. The reversal of 11214424544 is 44542441211.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11214424544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214424547) 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, 1491707 + ... + 1499205.

It is an arithmetic number, because the mean of its divisors is an integer number (487265625).

Almost surely, 2^11214424544 is an apocalyptic number.

It is an amenable number.

11214424544 is an abundant number, since it is smaller than the sum of its proper divisors (12174325456).

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

11214424544 is a wasteful number, since it uses less digits than its factorization.

11214424544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275 (or 10267 counting only the distinct ones).

The product of its digits is 20480, while the sum is 32.

Adding to 11214424544 its reverse (44542441211), we get a palindrome (55756865755).

The spelling of 11214424544 in words is "eleven billion, two hundred fourteen million, four hundred twenty-four thousand, five hundred forty-four".