65055572765 has 8 divisors (see below), whose sum is σ = 78233856480. Its totient is φ = 51933012112.

The previous prime is 65055572741. The next prime is 65055572789. The reversal of 65055572765 is 56727555056.

It is an interprime number because it is at equal distance from previous prime (65055572741) and next prime (65055572789).

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 65055572765 - 2⁸ = 65055572509 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 13928195 + ... + 13932864.

It is an arithmetic number, because the mean of its divisors is an integer number (9779232060).

Almost surely, 2^65055572765 is an apocalyptic number.

It is an amenable number.

65055572765 is a deficient number, since it is larger than the sum of its proper divisors (13178283715).

65055572765 is a wasteful number, since it uses less digits than its factorization.

65055572765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27861531.

The product of its (nonzero) digits is 11025000, while the sum is 53.

The spelling of 65055572765 in words is "sixty-five billion, fifty-five million, five hundred seventy-two thousand, seven hundred sixty-five".