65855270461 has 4 divisors (see below), whose sum is σ = 66189561372. Its totient is φ = 65520979552.

The previous prime is 65855270447. The next prime is 65855270477. The reversal of 65855270461 is 16407255856.

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 35372205625 + 30483064836 = 188075^2 + 174594^2 .

It is a cyclic number.

It is not a de Polignac number, because 65855270461 - 2³⁵ = 31495532093 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65855270161) 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, 167145160 + ... + 167145553.

It is an arithmetic number, because the mean of its divisors is an integer number (16547390343).

Almost surely, 2^65855270461 is an apocalyptic number.

It is an amenable number.

65855270461 is a deficient number, since it is larger than the sum of its proper divisors (334290911).

65855270461 is a wasteful number, since it uses less digits than its factorization.

65855270461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334290910.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 65855270461 in words is "sixty-five billion, eight hundred fifty-five million, two hundred seventy thousand, four hundred sixty-one".