11424221516 has 24 divisors (see below), whose sum is σ = 20331816960. Its totient is φ = 5615929872.

The previous prime is 11424221461. The next prime is 11424221519. The reversal of 11424221516 is 61512242411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11424221519) 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, 42476 + ... + 157011.

It is an arithmetic number, because the mean of its divisors is an integer number (847159040).

Almost surely, 2^11424221516 is an apocalyptic number.

It is an amenable number.

11424221516 is a deficient number, since it is larger than the sum of its proper divisors (8907595444).

11424221516 is a wasteful number, since it uses less digits than its factorization.

11424221516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199733 (or 199731 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

Adding to 11424221516 its reverse (61512242411), we get a palindrome (72936463927).

The spelling of 11424221516 in words is "eleven billion, four hundred twenty-four million, two hundred twenty-one thousand, five hundred sixteen".