11271765748 has 12 divisors (see below), whose sum is σ = 20885919012. Its totient is φ = 5304360320.

The previous prime is 11271765737. The next prime is 11271765749. The reversal of 11271765748 is 84756717211.

It can be written as a sum of positive squares in 2 ways, for example, as 5319951844 + 5951813904 = 72938^2 + 77148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271765749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82880563 + ... + 82880698.

It is an arithmetic number, because the mean of its divisors is an integer number (1740493251).

Almost surely, 2^11271765748 is an apocalyptic number.

It is an amenable number.

11271765748 is a deficient number, since it is larger than the sum of its proper divisors (9614153264).

11271765748 is a wasteful number, since it uses less digits than its factorization.

11271765748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165761282 (or 165761280 counting only the distinct ones).

The product of its digits is 658560, while the sum is 49.

The spelling of 11271765748 in words is "eleven billion, two hundred seventy-one million, seven hundred sixty-five thousand, seven hundred forty-eight".