1165755120713 has 2 divisors, whose sum is σ = 1165755120714. Its totient is φ = 1165755120712.

The previous prime is 1165755120703. The next prime is 1165755120763. The reversal of 1165755120713 is 3170215575611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981738143929 + 184016976784 = 990827^2 + 428972^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165755120713 - 2⁸ = 1165755120457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165755120703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582877560356 + 582877560357.

It is an arithmetic number, because the mean of its divisors is an integer number (582877560357).

Almost surely, 2^{1165755120713} is an apocalyptic number.

It is an amenable number.

1165755120713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165755120713 is an equidigital number, since it uses as much as digits as its factorization.

1165755120713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 1165755120713 in words is "one trillion, one hundred sixty-five billion, seven hundred fifty-five million, one hundred twenty thousand, seven hundred thirteen".