11420215504 has 20 divisors (see below), whose sum is σ = 22136073280. Its totient is φ = 5707680480.

The previous prime is 11420215463. The next prime is 11420215529. The reversal of 11420215504 is 40551202411.

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, 112584 + ... + 188455.

It is an arithmetic number, because the mean of its divisors is an integer number (1106803664).

Almost surely, 2^11420215504 is an apocalyptic number.

It is an amenable number.

11420215504 is a deficient number, since it is larger than the sum of its proper divisors (10715857776).

11420215504 is a wasteful number, since it uses less digits than its factorization.

11420215504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303418 (or 303412 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 11420215504 its reverse (40551202411), we get a palindrome (51971417915).

The spelling of 11420215504 in words is "eleven billion, four hundred twenty million, two hundred fifteen thousand, five hundred four".