8525745415620 has 144 divisors (see below), whose sum is σ = 25955187690432. Its totient is φ = 2265297788160.

The previous prime is 8525745415573. The next prime is 8525745415631. The reversal of 8525745415620 is 265145475258.

8525745415620 is a `hidden beast` number, since 8 + 5 + 2 + 5 + 7 + 4 + 5 + 4 + 1 + 5 + 620 = 666.

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 47 ways as a sum of consecutive naturals, for example, 100826679 + ... + 100911201.

Almost surely, 2^{8525745415620} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8525745415620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12977593845216).

8525745415620 is an abundant number, since it is smaller than the sum of its proper divisors (17429442274812).

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

8525745415620 is a wasteful number, since it uses less digits than its factorization.

8525745415620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86562 (or 86557 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 54.

The spelling of 8525745415620 in words is "eight trillion, five hundred twenty-five billion, seven hundred forty-five million, four hundred fifteen thousand, six hundred twenty".