1165948742359 has 2 divisors, whose sum is σ = 1165948742360. Its totient is φ = 1165948742358.

The previous prime is 1165948742311. The next prime is 1165948742417. The reversal of 1165948742359 is 9532478495611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165948742359 - 2¹¹ = 1165948740311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165948742359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165948742459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582974371179 + 582974371180.

It is an arithmetic number, because the mean of its divisors is an integer number (582974371180).

Almost surely, 2^{1165948742359} is an apocalyptic number.

1165948742359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165948742359 is an equidigital number, since it uses as much as digits as its factorization.

1165948742359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 64.

The spelling of 1165948742359 in words is "one trillion, one hundred sixty-five billion, nine hundred forty-eight million, seven hundred forty-two thousand, three hundred fifty-nine".