1158317705077 has 16 divisors (see below), whose sum is σ = 1291220826112. Its totient is φ = 1032127064640.

The previous prime is 1158317705059. The next prime is 1158317705087. The reversal of 1158317705077 is 7705077138511.

It is a cyclic number.

It is not a de Polignac number, because 1158317705077 - 2¹⁹ = 1158317180789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158317705087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9419799 + ... + 9541972.

It is an arithmetic number, because the mean of its divisors is an integer number (80701301632).

Almost surely, 2^{1158317705077} is an apocalyptic number.

It is an amenable number.

1158317705077 is a deficient number, since it is larger than the sum of its proper divisors (132903121035).

1158317705077 is a wasteful number, since it uses less digits than its factorization.

1158317705077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18961948.

The product of its (nonzero) digits is 1440600, while the sum is 52.

The spelling of 1158317705077 in words is "one trillion, one hundred fifty-eight billion, three hundred seventeen million, seven hundred five thousand, seventy-seven".