65525252556 has 24 divisors (see below), whose sum is σ = 152901506800. Its totient is φ = 21840429312.

The previous prime is 65525252549. The next prime is 65525252587.

65525252556 is nontrivially palindromic in base 10.

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, 52920 + ... + 365856.

Almost surely, 2^65525252556 is an apocalyptic number.

It is an amenable number.

65525252556 is an abundant number, since it is smaller than the sum of its proper divisors (87376254244).

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

65525252556 is a wasteful number, since it uses less digits than its factorization.

65525252556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330393 (or 330391 counting only the distinct ones).

The product of its digits is 4500000, while the sum is 48.

The spelling of 65525252556 in words is "sixty-five billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred fifty-six".