65012715601 has 4 divisors (see below), whose sum is σ = 65013964900. Its totient is φ = 65011466304.

The previous prime is 65012715589. The next prime is 65012715623. The reversal of 65012715601 is 10651721056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29764530576 + 35248185025 = 172524^2 + 187745^2 .

It is a cyclic number.

It is not a de Polignac number, because 65012715601 - 2¹⁷ = 65012584529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65012715661) 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, 543036 + ... + 651853.

It is an arithmetic number, because the mean of its divisors is an integer number (16253491225).

Almost surely, 2^65012715601 is an apocalyptic number.

It is an amenable number.

65012715601 is a deficient number, since it is larger than the sum of its proper divisors (1249299).

65012715601 is a wasteful number, since it uses less digits than its factorization.

65012715601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249298.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 65012715601 in words is "sixty-five billion, twelve million, seven hundred fifteen thousand, six hundred one".