65250256510 has 32 divisors (see below), whose sum is σ = 120051486720. Its totient is φ = 25523042592.

The previous prime is 65250256499. The next prime is 65250256523. The reversal of 65250256510 is 1565205256.

It is a self number, because there is not a number n which added to its sum of digits gives 65250256510.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499411 + ... + 616369.

It is an arithmetic number, because the mean of its divisors is an integer number (3751608960).

Almost surely, 2^65250256510 is an apocalyptic number.

65250256510 is a deficient number, since it is larger than the sum of its proper divisors (54801230210).

65250256510 is a wasteful number, since it uses less digits than its factorization.

65250256510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118200.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 65250256510 in words is "sixty-five billion, two hundred fifty million, two hundred fifty-six thousand, five hundred ten".