65225412565 has 16 divisors (see below), whose sum is σ = 79016409792. Its totient is φ = 51683232384.

The previous prime is 65225412547. The next prime is 65225412583. The reversal of 65225412565 is 56521452256.

It is an interprime number because it is at equal distance from previous prime (65225412547) and next prime (65225412583).

It is a cyclic number.

It is not a de Polignac number, because 65225412565 - 2⁹ = 65225412053 is a prime.

It is a Duffinian number.

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, 5229817 + ... + 5242273.

It is an arithmetic number, because the mean of its divisors is an integer number (4938525612).

Almost surely, 2^65225412565 is an apocalyptic number.

It is an amenable number.

65225412565 is a deficient number, since it is larger than the sum of its proper divisors (13790997227).

65225412565 is a wasteful number, since it uses less digits than its factorization.

65225412565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22356.

The product of its digits is 720000, while the sum is 43.

The spelling of 65225412565 in words is "sixty-five billion, two hundred twenty-five million, four hundred twelve thousand, five hundred sixty-five".