1013512836563 has 4 divisors (see below), whose sum is σ = 1017938657040. Its totient is φ = 1009087016088.

The previous prime is 1013512836517. The next prime is 1013512836593. The reversal of 1013512836563 is 3656382153101.

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 1013512836563 - 2¹⁰ = 1013512835539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013512836593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212909895 + ... + 2212910352.

It is an arithmetic number, because the mean of its divisors is an integer number (254484664260).

Almost surely, 2^{1013512836563} is an apocalyptic number.

1013512836563 is a deficient number, since it is larger than the sum of its proper divisors (4425820477).

1013512836563 is an equidigital number, since it uses as much as digits as its factorization.

1013512836563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425820476.

The product of its (nonzero) digits is 388800, while the sum is 44.

Adding to 1013512836563 its reverse (3656382153101), we get a palindrome (4669894989664).

The spelling of 1013512836563 in words is "one trillion, thirteen billion, five hundred twelve million, eight hundred thirty-six thousand, five hundred sixty-three".