6381020258571 has 16 divisors (see below), whose sum is σ = 9724919414528. Its totient is φ = 3645749800800.

The previous prime is 6381020258507. The next prime is 6381020258617. The reversal of 6381020258571 is 1758520201836.

It is not a de Polignac number, because 6381020258571 - 2⁶ = 6381020258507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6381020258571.

It is not an unprimeable number, because it can be changed into a prime (6381020258071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22668865 + ... + 22948626.

It is an arithmetic number, because the mean of its divisors is an integer number (607807463408).

Almost surely, 2^{6381020258571} is an apocalyptic number.

6381020258571 is a deficient number, since it is larger than the sum of its proper divisors (3343899155957).

6381020258571 is a wasteful number, since it uses less digits than its factorization.

6381020258571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45624162.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 6381020258571 in words is "six trillion, three hundred eighty-one billion, twenty million, two hundred fifty-eight thousand, five hundred seventy-one".