21625552500652 has 12 divisors (see below), whose sum is σ = 37862833078840. Its totient is φ = 10807600192416.

The previous prime is 21625552500631. The next prime is 21625552500749. The reversal of 21625552500652 is 25600525552612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294005078 + ... + 1294021789.

Almost surely, 2^{21625552500652} is an apocalyptic number.

It is an amenable number.

21625552500652 is a deficient number, since it is larger than the sum of its proper divisors (16237280578188).

21625552500652 is a wasteful number, since it uses less digits than its factorization.

21625552500652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588028960 (or 2588028958 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 21625552500652 in words is "twenty-one trillion, six hundred twenty-five billion, five hundred fifty-two million, five hundred thousand, six hundred fifty-two".