65256566052 has 24 divisors (see below), whose sum is σ = 160279285600. Its totient is φ = 20607336576.

The previous prime is 65256566041. The next prime is 65256566077. The reversal of 65256566052 is 25066565256.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65256565992 and 65256566010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143106277 + ... + 143106732.

Almost surely, 2^65256566052 is an apocalyptic number.

It is an amenable number.

65256566052 is an abundant number, since it is smaller than the sum of its proper divisors (95022719548).

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

65256566052 is a wasteful number, since it uses less digits than its factorization.

65256566052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286213035 (or 286213033 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 65256566052 in words is "sixty-five billion, two hundred fifty-six million, five hundred sixty-six thousand, fifty-two".