1063525312563 has 16 divisors (see below), whose sum is σ = 1691071305216. Its totient is φ = 581305760640.

The previous prime is 1063525312453. The next prime is 1063525312571. The reversal of 1063525312563 is 3652135253601.

It is not a de Polignac number, because 1063525312563 - 2¹⁶ = 1063525247027 is a prime.

It is a super-2 number, since 2×1063525312563² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063525312573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100957398 + ... + 1100958363.

It is an arithmetic number, because the mean of its divisors is an integer number (105691956576).

Almost surely, 2^{1063525312563} is an apocalyptic number.

1063525312563 is a deficient number, since it is larger than the sum of its proper divisors (627545992653).

1063525312563 is a wasteful number, since it uses less digits than its factorization.

1063525312563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201915794.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 1063525312563 in words is "one trillion, sixty-three billion, five hundred twenty-five million, three hundred twelve thousand, five hundred sixty-three".