1078408566563 has 4 divisors (see below), whose sum is σ = 1125295895568. Its totient is φ = 1031521237560.

The previous prime is 1078408566539. The next prime is 1078408566623. The reversal of 1078408566563 is 3656658048701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1078408566563 - 2⁸ = 1078408566307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078408566463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23443664468 + ... + 23443664513.

It is an arithmetic number, because the mean of its divisors is an integer number (281323973892).

Almost surely, 2^{1078408566563} is an apocalyptic number.

1078408566563 is a deficient number, since it is larger than the sum of its proper divisors (46887329005).

1078408566563 is an equidigital number, since it uses as much as digits as its factorization.

1078408566563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46887329004.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 1078408566563 in words is "one trillion, seventy-eight billion, four hundred eight million, five hundred sixty-six thousand, five hundred sixty-three".