11271326772 has 24 divisors (see below), whose sum is σ = 26461115296. Its totient is φ = 3734058528.

The previous prime is 11271326749. The next prime is 11271326777. The reversal of 11271326772 is 27762317211.

It is a self number, because there is not a number n which added to its sum of digits gives 11271326772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271326777) 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, 2879263 + ... + 2883174.

Almost surely, 2^11271326772 is an apocalyptic number.

11271326772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11271326772 is an abundant number, since it is smaller than the sum of its proper divisors (15189788524).

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

11271326772 is a wasteful number, since it uses less digits than its factorization.

11271326772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762607 (or 5762605 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The spelling of 11271326772 in words is "eleven billion, two hundred seventy-one million, three hundred twenty-six thousand, seven hundred seventy-two".