2521425621510 has 64 divisors (see below), whose sum is σ = 6757932772800. Its totient is φ = 668967054336.

The previous prime is 2521425621499. The next prime is 2521425621619. The reversal of 2521425621510 is 151265241252.

2521425621510 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 4 + 25 + 621 + 5 + 1 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23648875 + ... + 23755254.

It is an arithmetic number, because the mean of its divisors is an integer number (105592699575).

Almost surely, 2^{2521425621510} is an apocalyptic number.

2521425621510 is an abundant number, since it is smaller than the sum of its proper divisors (4236507151290).

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

2521425621510 is a wasteful number, since it uses less digits than its factorization.

2521425621510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47404342 (or 47404336 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 2521425621510 in words is "two trillion, five hundred twenty-one billion, four hundred twenty-five million, six hundred twenty-one thousand, five hundred ten".