65101985603 has 4 divisors (see below), whose sum is σ = 66330325008. Its totient is φ = 63873646200.

The previous prime is 65101985579. The next prime is 65101985633. The reversal of 65101985603 is 30658910156.

65101985603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65101985603 - 2³⁰ = 64028243779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65101985633) 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, 614169623 + ... + 614169728.

It is an arithmetic number, because the mean of its divisors is an integer number (16582581252).

Almost surely, 2^65101985603 is an apocalyptic number.

65101985603 is a deficient number, since it is larger than the sum of its proper divisors (1228339405).

65101985603 is a wasteful number, since it uses less digits than its factorization.

65101985603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228339404.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 65101985603 in words is "sixty-five billion, one hundred one million, nine hundred eighty-five thousand, six hundred three".