65510000122 has 32 divisors (see below), whose sum is σ = 115776259200. Its totient is φ = 27786245760.

The previous prime is 65510000119. The next prime is 65510000183. The reversal of 65510000122 is 22100001556.

It is a junction number, because it is equal to n+sod(n) for n = 65510000093 and 65510000102.

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 15 ways as a sum of consecutive naturals, for example, 425704 + ... + 558787.

It is an arithmetic number, because the mean of its divisors is an integer number (3618008100).

Almost surely, 2^65510000122 is an apocalyptic number.

65510000122 is a deficient number, since it is larger than the sum of its proper divisors (50266259078).

65510000122 is an equidigital number, since it uses as much as digits as its factorization.

65510000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984611 (or 984597 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 65510000122 its reverse (22100001556), we get a palindrome (87610001678).

The spelling of 65510000122 in words is "sixty-five billion, five hundred ten million, one hundred twenty-two", and thus it is an aban number.