65275113221 has 8 divisors (see below), whose sum is σ = 65372322240. Its totient is φ = 65177959168.

The previous prime is 65275113199. The next prime is 65275113229. The reversal of 65275113221 is 12231157256.

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

It is a cyclic number.

It is not a de Polignac number, because 65275113221 - 2⁶ = 65275113157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65275113229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770790 + ... + 2794248.

It is an arithmetic number, because the mean of its divisors is an integer number (8171540280).

Almost surely, 2^65275113221 is an apocalyptic number.

It is an amenable number.

65275113221 is a deficient number, since it is larger than the sum of its proper divisors (97209019).

65275113221 is a wasteful number, since it uses less digits than its factorization.

65275113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27483.

The product of its digits is 25200, while the sum is 35.

The spelling of 65275113221 in words is "sixty-five billion, two hundred seventy-five million, one hundred thirteen thousand, two hundred twenty-one".