11345450563 has 16 divisors (see below), whose sum is σ = 12433426720. Its totient is φ = 10314521856.

The previous prime is 11345450549. The next prime is 11345450579. The reversal of 11345450563 is 36505454311.

11345450563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11345450563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (11345450503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59220 + ... + 161857.

It is an arithmetic number, because the mean of its divisors is an integer number (777089170).

Almost surely, 2^11345450563 is an apocalyptic number.

11345450563 is a deficient number, since it is larger than the sum of its proper divisors (1087976157).

11345450563 is a wasteful number, since it uses less digits than its factorization.

11345450563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221206.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 11345450563 in words is "eleven billion, three hundred forty-five million, four hundred fifty thousand, five hundred sixty-three".