1171573107859 has 24 divisors (see below), whose sum is σ = 1491888940640. Its totient is φ = 900408389760.

The previous prime is 1171573107857. The next prime is 1171573107883. The reversal of 1171573107859 is 9587013751711.

It is not a de Polignac number, because 1171573107859 - 2¹ = 1171573107857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1171573107851) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9412164 + ... + 9535825.

Almost surely, 2^{1171573107859} is an apocalyptic number.

1171573107859 is a deficient number, since it is larger than the sum of its proper divisors (320315832781).

1171573107859 is a wasteful number, since it uses less digits than its factorization.

1171573107859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948091 (or 18948080 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 55.

The spelling of 1171573107859 in words is "one trillion, one hundred seventy-one billion, five hundred seventy-three million, one hundred seven thousand, eight hundred fifty-nine".