1140273711721 has 2 divisors, whose sum is σ = 1140273711722. Its totient is φ = 1140273711720.

The previous prime is 1140273711719. The next prime is 1140273711751. The reversal of 1140273711721 is 1271173720411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840806472025 + 299467239696 = 916955^2 + 547236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140273711721 - 2¹ = 1140273711719 is a prime.

Together with 1140273711719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1140273711751) by changing a digit.

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 as a sum of consecutive naturals, namely, 570136855860 + 570136855861.

It is an arithmetic number, because the mean of its divisors is an integer number (570136855861).

Almost surely, 2^{1140273711721} is an apocalyptic number.

It is an amenable number.

1140273711721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140273711721 is an equidigital number, since it uses as much as digits as its factorization.

1140273711721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 1140273711721 in words is "one trillion, one hundred forty billion, two hundred seventy-three million, seven hundred eleven thousand, seven hundred twenty-one".