11420344316 has 12 divisors (see below), whose sum is σ = 20183480520. Its totient is φ = 5653635600.

The previous prime is 11420344291. The next prime is 11420344321. The reversal of 11420344316 is 61344302411.

It is a happy number.

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, 14133686 + ... + 14134493.

It is an arithmetic number, because the mean of its divisors is an integer number (1681956710).

Almost surely, 2^11420344316 is an apocalyptic number.

It is an amenable number.

11420344316 is a deficient number, since it is larger than the sum of its proper divisors (8763136204).

11420344316 is a wasteful number, since it uses less digits than its factorization.

11420344316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268284 (or 28268282 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 11420344316 its reverse (61344302411), we get a palindrome (72764646727).

The spelling of 11420344316 in words is "eleven billion, four hundred twenty million, three hundred forty-four thousand, three hundred sixteen".