1158247817795 has 16 divisors (see below), whose sum is σ = 1394662815840. Its totient is φ = 923425747200.

The previous prime is 1158247817789. The next prime is 1158247817851. The reversal of 1158247817795 is 5977187428511.

It is not a de Polignac number, because 1158247817795 - 2⁶ = 1158247817731 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810580 + ... + 2365310.

It is an arithmetic number, because the mean of its divisors is an integer number (87166425990).

Almost surely, 2^{1158247817795} is an apocalyptic number.

1158247817795 is a deficient number, since it is larger than the sum of its proper divisors (236414998045).

1158247817795 is a wasteful number, since it uses less digits than its factorization.

1158247817795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556166.

The product of its digits is 39513600, while the sum is 65.

The spelling of 1158247817795 in words is "one trillion, one hundred fifty-eight billion, two hundred forty-seven million, eight hundred seventeen thousand, seven hundred ninety-five".