1020519056064 has 28 divisors (see below), whose sum is σ = 2700123336344. Its totient is φ = 340173018624.

The previous prime is 1020519055991. The next prime is 1020519056071. The reversal of 1020519056064 is 4606509150201.

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 3 ways as a sum of consecutive naturals, for example, 2657601517 + ... + 2657601900.

It is an arithmetic number, because the mean of its divisors is an integer number (96432976298).

Almost surely, 2^{1020519056064} is an apocalyptic number.

It is an amenable number.

1020519056064 is an abundant number, since it is smaller than the sum of its proper divisors (1679604280280).

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

1020519056064 is an equidigital number, since it uses as much as digits as its factorization.

1020519056064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315203432 (or 5315203422 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 1020519056064 in words is "one trillion, twenty billion, five hundred nineteen million, fifty-six thousand, sixty-four".