11361316563 has 24 divisors (see below), whose sum is σ = 17635492368. Its totient is φ = 7022264832.

The previous prime is 11361316543. The next prime is 11361316591. The reversal of 11361316563 is 36561316311.

11361316563 is a `hidden beast` number, since 1 + 1 + 3 + 61 + 31 + 6 + 563 = 666.

It is not a de Polignac number, because 11361316563 - 2²¹ = 11359219411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11361316523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 543906 + ... + 564407.

It is an arithmetic number, because the mean of its divisors is an integer number (734812182).

Almost surely, 2^11361316563 is an apocalyptic number.

11361316563 is a deficient number, since it is larger than the sum of its proper divisors (6274175805).

11361316563 is a wasteful number, since it uses less digits than its factorization.

11361316563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108403 (or 1108400 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The spelling of 11361316563 in words is "eleven billion, three hundred sixty-one million, three hundred sixteen thousand, five hundred sixty-three".