65285265507 has 32 divisors (see below), whose sum is σ = 108596367360. Its totient is φ = 33892482720.

The previous prime is 65285265481. The next prime is 65285265511. The reversal of 65285265507 is 70556258256.

It is a happy number.

65285265507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65285265507 - 2⁶ = 65285265443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65285265507.

It is not an unprimeable number, because it can be changed into a prime (65285265557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269488 + ... + 450770.

It is an arithmetic number, because the mean of its divisors is an integer number (3393636480).

Almost surely, 2^65285265507 is an apocalyptic number.

65285265507 is a deficient number, since it is larger than the sum of its proper divisors (43311101853).

65285265507 is a wasteful number, since it uses less digits than its factorization.

65285265507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182863.

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 65285265507 in words is "sixty-five billion, two hundred eighty-five million, two hundred sixty-five thousand, five hundred seven".