11271765728 has 12 divisors (see below), whose sum is σ = 22191288840. Its totient is φ = 5635882848.

The previous prime is 11271765719. The next prime is 11271765737. The reversal of 11271765728 is 82756717211.

It is an interprime number because it is at equal distance from previous prime (11271765719) and next prime (11271765737).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176121308 + ... + 176121371.

It is an arithmetic number, because the mean of its divisors is an integer number (1849274070).

Almost surely, 2^11271765728 is an apocalyptic number.

It is an amenable number.

11271765728 is a deficient number, since it is larger than the sum of its proper divisors (10919523112).

11271765728 is an equidigital number, since it uses as much as digits as its factorization.

11271765728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352242689 (or 352242681 counting only the distinct ones).

The product of its digits is 329280, while the sum is 47.

The spelling of 11271765728 in words is "eleven billion, two hundred seventy-one million, seven hundred sixty-five thousand, seven hundred twenty-eight".