65011516563 has 8 divisors (see below), whose sum is σ = 99065168128. Its totient is φ = 37149438024.

The previous prime is 65011516561. The next prime is 65011516567. The reversal of 65011516563 is 36561511056.

65011516563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65011516563 - 2¹ = 65011516561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65011516561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547893231 + ... + 1547893272.

It is an arithmetic number, because the mean of its divisors is an integer number (12383146016).

Almost surely, 2^65011516563 is an apocalyptic number.

65011516563 is a deficient number, since it is larger than the sum of its proper divisors (34053651565).

65011516563 is a wasteful number, since it uses less digits than its factorization.

65011516563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095786513.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 65011516563 in words is "sixty-five billion, eleven million, five hundred sixteen thousand, five hundred sixty-three".