65008221125 has 16 divisors (see below), whose sum is σ = 82157237760. Its totient is φ = 51348258000.

The previous prime is 65008221107. The next prime is 65008221143. The reversal of 65008221125 is 52112280056.

It is an interprime number because it is at equal distance from previous prime (65008221107) and next prime (65008221143).

It is a de Polignac number, because none of the positive numbers 2^k-65008221125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65008221091 and 65008221100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3281681 + ... + 3301430.

It is an arithmetic number, because the mean of its divisors is an integer number (5134827360).

Almost surely, 2^65008221125 is an apocalyptic number.

It is an amenable number.

65008221125 is a deficient number, since it is larger than the sum of its proper divisors (17149016635).

65008221125 is an equidigital number, since it uses as much as digits as its factorization.

65008221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583205 (or 6583195 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 65008221125 in words is "sixty-five billion, eight million, two hundred twenty-one thousand, one hundred twenty-five".