11012315206563 has 80 divisors (see below), whose sum is σ = 18373298967936. Its totient is φ = 6515384117760.

The previous prime is 11012315206523. The next prime is 11012315206583. The reversal of 11012315206563 is 36560251321011.

11012315206563 is a `hidden beast` number, since 1 + 1 + 0 + 12 + 3 + 1 + 520 + 65 + 63 = 666.

It is not a de Polignac number, because 11012315206563 - 2⁶ = 11012315206499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012315206523) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 71453395 + ... + 71607347.

Almost surely, 2^{11012315206563} is an apocalyptic number.

11012315206563 is a deficient number, since it is larger than the sum of its proper divisors (7360983761373).

11012315206563 is a wasteful number, since it uses less digits than its factorization.

11012315206563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155886 (or 155877 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 11012315206563 its reverse (36560251321011), we get a palindrome (47572566527574).

The spelling of 11012315206563 in words is "eleven trillion, twelve billion, three hundred fifteen million, two hundred six thousand, five hundred sixty-three".