1165652502389 has 2 divisors, whose sum is σ = 1165652502390. Its totient is φ = 1165652502388.

The previous prime is 1165652502383. The next prime is 1165652502401. The reversal of 1165652502389 is 9832052565611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1165626848164 + 25654225 = 1079642^2 + 5065^2 .

It is an emirp because it is prime and its reverse (9832052565611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1165652502389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165652502389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165652502383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582826251194 + 582826251195.

It is an arithmetic number, because the mean of its divisors is an integer number (582826251195).

Almost surely, 2^{1165652502389} is an apocalyptic number.

It is an amenable number.

1165652502389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165652502389 is an equidigital number, since it uses as much as digits as its factorization.

1165652502389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 1165652502389 in words is "one trillion, one hundred sixty-five billion, six hundred fifty-two million, five hundred two thousand, three hundred eighty-nine".