65550572155012 has 96 divisors (see below), whose sum is σ = 132097655545856. Its totient is φ = 27880533849600.

The previous prime is 65550572154973. The next prime is 65550572155073. The reversal of 65550572155012 is 21055127505556.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2338822543 + ... + 2338850569.

Almost surely, 2^{65550572155012} is an apocalyptic number.

It is an amenable number.

65550572155012 is an abundant number, since it is smaller than the sum of its proper divisors (66547083390844).

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

65550572155012 is a wasteful number, since it uses less digits than its factorization.

65550572155012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29457 (or 29455 counting only the distinct ones).

The product of its (nonzero) digits is 2625000, while the sum is 49.

The spelling of 65550572155012 in words is "sixty-five trillion, five hundred fifty billion, five hundred seventy-two million, one hundred fifty-five thousand, twelve".