64536520502142 has 96 divisors (see below), whose sum is σ = 154262025904896. Its totient is φ = 19372561804800.

The previous prime is 64536520502123. The next prime is 64536520502159. The reversal of 64536520502142 is 24120502563546.

64536520502142 is a `hidden beast` number, since 6 + 4 + 5 + 36 + 520 + 50 + 2 + 1 + 42 = 666.

64536520502142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 551625292 + ... + 551742272.

It is an arithmetic number, because the mean of its divisors is an integer number (1606896103176).

Almost surely, 2^{64536520502142} is an apocalyptic number.

64536520502142 is an abundant number, since it is smaller than the sum of its proper divisors (89725505402754).

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

64536520502142 is a wasteful number, since it uses less digits than its factorization.

64536520502142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174546 (or 174543 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 64536520502142 in words is "sixty-four trillion, five hundred thirty-six billion, five hundred twenty million, five hundred two thousand, one hundred forty-two".