1164787617647 has 2 divisors, whose sum is σ = 1164787617648. Its totient is φ = 1164787617646.

The previous prime is 1164787617583. The next prime is 1164787617659. The reversal of 1164787617647 is 7467167874611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1164787617647 - 2⁶ = 1164787617583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164787617667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582393808823 + 582393808824.

It is an arithmetic number, because the mean of its divisors is an integer number (582393808824).

Almost surely, 2^{1164787617647} is an apocalyptic number.

1164787617647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164787617647 is an equidigital number, since it uses as much as digits as its factorization.

1164787617647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66382848, while the sum is 65.

The spelling of 1164787617647 in words is "one trillion, one hundred sixty-four billion, seven hundred eighty-seven million, six hundred seventeen thousand, six hundred forty-seven".