1165950130559 has 2 divisors, whose sum is σ = 1165950130560. Its totient is φ = 1165950130558.

The previous prime is 1165950130547. The next prime is 1165950130613. The reversal of 1165950130559 is 9550310595611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165950130559 - 2¹² = 1165950126463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165950130259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582975065279 + 582975065280.

It is an arithmetic number, because the mean of its divisors is an integer number (582975065280).

Almost surely, 2^{1165950130559} is an apocalyptic number.

1165950130559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165950130559 is an equidigital number, since it uses as much as digits as its factorization.

1165950130559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 911250, while the sum is 50.

The spelling of 1165950130559 in words is "one trillion, one hundred sixty-five billion, nine hundred fifty million, one hundred thirty thousand, five hundred fifty-nine".