1162135246409 has 2 divisors, whose sum is σ = 1162135246410. Its totient is φ = 1162135246408.

The previous prime is 1162135246369. The next prime is 1162135246567. The reversal of 1162135246409 is 9046425312611.

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., 612350070784 + 549785175625 = 782528^2 + 741475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1162135246409 is a prime.

It is a super-2 number, since 2×1162135246409² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1162135246409.

It is not a weakly prime, because it can be changed into another prime (1162135246109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581067623204 + 581067623205.

It is an arithmetic number, because the mean of its divisors is an integer number (581067623205).

Almost surely, 2^{1162135246409} is an apocalyptic number.

It is an amenable number.

1162135246409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162135246409 is an equidigital number, since it uses as much as digits as its factorization.

1162135246409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 1162135246409 in words is "one trillion, one hundred sixty-two billion, one hundred thirty-five million, two hundred forty-six thousand, four hundred nine".