1043355078563 has 32 divisors (see below), whose sum is σ = 1246738953600. Its totient is φ = 872266859520.

The previous prime is 1043355078539. The next prime is 1043355078607. The reversal of 1043355078563 is 3658705533401.

It is not a de Polignac number, because 1043355078563 - 2³² = 1039060111267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043255078563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75834881 + ... + 75848637.

It is an arithmetic number, because the mean of its divisors is an integer number (38960592300).

Almost surely, 2^{1043355078563} is an apocalyptic number.

1043355078563 is a deficient number, since it is larger than the sum of its proper divisors (203383875037).

1043355078563 is an equidigital number, since it uses as much as digits as its factorization.

1043355078563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212 (or 19198 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 1043355078563 in words is "one trillion, forty-three billion, three hundred fifty-five million, seventy-eight thousand, five hundred sixty-three".