1171573480643 has 2 divisors, whose sum is σ = 1171573480644. Its totient is φ = 1171573480642.

The previous prime is 1171573480607. The next prime is 1171573480709. The reversal of 1171573480643 is 3460843751711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1171573480643 - 2¹⁶ = 1171573415107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1171573480591 and 1171573480600.

It is not a weakly prime, because it can be changed into another prime (1171573488643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585786740321 + 585786740322.

It is an arithmetic number, because the mean of its divisors is an integer number (585786740322).

Almost surely, 2^{1171573480643} is an apocalyptic number.

1171573480643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171573480643 is an equidigital number, since it uses as much as digits as its factorization.

1171573480643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1171573480643 in words is "one trillion, one hundred seventy-one billion, five hundred seventy-three million, four hundred eighty thousand, six hundred forty-three".