11645010563 has 4 divisors (see below), whose sum is σ = 11792415840. Its totient is φ = 11497605288.

The previous prime is 11645010551. The next prime is 11645010577. The reversal of 11645010563 is 36501054611.

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 11645010563 - 2⁴ = 11645010547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11645010163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73702520 + ... + 73702677.

It is an arithmetic number, because the mean of its divisors is an integer number (2948103960).

Almost surely, 2^11645010563 is an apocalyptic number.

11645010563 is a deficient number, since it is larger than the sum of its proper divisors (147405277).

11645010563 is an equidigital number, since it uses as much as digits as its factorization.

11645010563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147405276.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 11645010563 in words is "eleven billion, six hundred forty-five million, ten thousand, five hundred sixty-three".