2065171115652 has 12 divisors (see below), whose sum is σ = 4818732603216. Its totient is φ = 688390371880.

The previous prime is 2065171115617. The next prime is 2065171115687. The reversal of 2065171115652 is 2565111715602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2065171115617) and next prime (2065171115687).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86048796474 + ... + 86048796497.

It is an arithmetic number, because the mean of its divisors is an integer number (401561050268).

Almost surely, 2^{2065171115652} is an apocalyptic number.

It is an amenable number.

2065171115652 is an abundant number, since it is smaller than the sum of its proper divisors (2753561487564).

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

2065171115652 is a wasteful number, since it uses less digits than its factorization.

2065171115652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172097592978 (or 172097592976 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 2065171115652 in words is "two trillion, sixty-five billion, one hundred seventy-one million, one hundred fifteen thousand, six hundred fifty-two".