6113778563 has 2 divisors, whose sum is σ = 6113778564. Its totient is φ = 6113778562.

The previous prime is 6113778551. The next prime is 6113778647. The reversal of 6113778563 is 3658773116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6113778563 - 2²⁸ = 5845343107 is a prime.

It is not a weakly prime, because it can be changed into another prime (6113778533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056889281 + 3056889282.

It is an arithmetic number, because the mean of its divisors is an integer number (3056889282).

Almost surely, 2^6113778563 is an apocalyptic number.

6113778563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6113778563 is an equidigital number, since it uses as much as digits as its factorization.

6113778563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 6113778563 is about 78190.6552153133. The cubic root of 6113778563 is about 1828.5348204367.

The spelling of 6113778563 in words is "six billion, one hundred thirteen million, seven hundred seventy-eight thousand, five hundred sixty-three".