11272371536 has 20 divisors (see below), whose sum is σ = 22198258164. Its totient is φ = 5543788800.

The previous prime is 11272371527. The next prime is 11272371589. The reversal of 11272371536 is 63517327211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 663371536 + 10609000000 = 25756^2 + 103000^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11272371536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773805 + ... + 5775756.

Almost surely, 2^11272371536 is an apocalyptic number.

11272371536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11272371536 is a deficient number, since it is larger than the sum of its proper divisors (10925886628).

11272371536 is a wasteful number, since it uses less digits than its factorization.

11272371536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549630 (or 11549624 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

Adding to 11272371536 its reverse (63517327211), we get a palindrome (74789698747).

The spelling of 11272371536 in words is "eleven billion, two hundred seventy-two million, three hundred seventy-one thousand, five hundred thirty-six".