65520514108 has 48 divisors (see below), whose sum is σ = 131566301440. Its totient is φ = 27967814784.

The previous prime is 65520514099. The next prime is 65520514121. The reversal of 65520514108 is 80141502556.

65520514108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15098203 + ... + 15102541.

Almost surely, 2^65520514108 is an apocalyptic number.

It is an amenable number.

65520514108 is an abundant number, since it is smaller than the sum of its proper divisors (66045787332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65520514108 is a wasteful number, since it uses less digits than its factorization.

65520514108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 65520514108 in words is "sixty-five billion, five hundred twenty million, five hundred fourteen thousand, one hundred eight".