65225813612 has 6 divisors (see below), whose sum is σ = 114145173828. Its totient is φ = 32612906804.

The previous prime is 65225813603. The next prime is 65225813633. The reversal of 65225813612 is 21631852256.

It is a super-2 number, since 2×65225813612² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65225813612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8153226698 + ... + 8153226705.

It is an arithmetic number, because the mean of its divisors is an integer number (19024195638).

Almost surely, 2^65225813612 is an apocalyptic number.

It is an amenable number.

65225813612 is a deficient number, since it is larger than the sum of its proper divisors (48919360216).

65225813612 is a wasteful number, since it uses less digits than its factorization.

65225813612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306453407 (or 16306453405 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The spelling of 65225813612 in words is "sixty-five billion, two hundred twenty-five million, eight hundred thirteen thousand, six hundred twelve".