8251521460060 has 24 divisors (see below), whose sum is σ = 17329066097616. Its totient is φ = 3300442673280.

The previous prime is 8251521460051. The next prime is 8251521460079. The reversal of 8251521460060 is 600641251528.

It is a junction number, because it is equal to n+sod(n) for n = 8251521459995 and 8251521460022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9961206 + ... + 10757725.

It is an arithmetic number, because the mean of its divisors is an integer number (722044420734).

Almost surely, 2^{8251521460060} is an apocalyptic number.

It is an amenable number.

8251521460060 is an abundant number, since it is smaller than the sum of its proper divisors (9077544637556).

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

8251521460060 is a wasteful number, since it uses less digits than its factorization.

8251521460060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738853 (or 20738851 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 8251521460060 in words is "eight trillion, two hundred fifty-one billion, five hundred twenty-one million, four hundred sixty thousand, sixty".