1165948740311 has 2 divisors, whose sum is σ = 1165948740312. Its totient is φ = 1165948740310.

The previous prime is 1165948740283. The next prime is 1165948740367. The reversal of 1165948740311 is 1130478495611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165948740311 - 2³⁰ = 1164874998487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165948740311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165948740911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582974370155 + 582974370156.

It is an arithmetic number, because the mean of its divisors is an integer number (582974370156).

Almost surely, 2^{1165948740311} is an apocalyptic number.

1165948740311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165948740311 is an equidigital number, since it uses as much as digits as its factorization.

1165948740311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 1165948740311 in words is "one trillion, one hundred sixty-five billion, nine hundred forty-eight million, seven hundred forty thousand, three hundred eleven".