1117392564979 has 2 divisors, whose sum is σ = 1117392564980. Its totient is φ = 1117392564978.

The previous prime is 1117392564973. The next prime is 1117392565013. The reversal of 1117392564979 is 9794652937111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117392564979 - 2¹⁹ = 1117392040691 is a prime.

It is a super-2 number, since 2×1117392564979² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1117392564979.

It is not a weakly prime, because it can be changed into another prime (1117392564973) 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 as a sum of consecutive naturals, namely, 558696282489 + 558696282490.

It is an arithmetic number, because the mean of its divisors is an integer number (558696282490).

Almost surely, 2^{1117392564979} is an apocalyptic number.

1117392564979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117392564979 is an equidigital number, since it uses as much as digits as its factorization.

1117392564979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25719120, while the sum is 64.

The spelling of 1117392564979 in words is "one trillion, one hundred seventeen billion, three hundred ninety-two million, five hundred sixty-four thousand, nine hundred seventy-nine".