1171573480617 has 8 divisors (see below), whose sum is σ = 1562750761824. Its totient is φ = 780722593248.

The previous prime is 1171573480607. The next prime is 1171573480643. The reversal of 1171573480617 is 7160843751711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1171573480617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1171573480617.

It is not an unprimeable number, because it can be changed into a prime (1171573480607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81590083 + ... + 81604440.

It is an arithmetic number, because the mean of its divisors is an integer number (195343845228).

Almost surely, 2^{1171573480617} is an apocalyptic number.

It is an amenable number.

1171573480617 is a deficient number, since it is larger than the sum of its proper divisors (391177281207).

1171573480617 is a wasteful number, since it uses less digits than its factorization.

1171573480617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163196919.

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 1171573480617 in words is "one trillion, one hundred seventy-one billion, five hundred seventy-three million, four hundred eighty thousand, six hundred seventeen".