6401012025271 has 2 divisors, whose sum is σ = 6401012025272. Its totient is φ = 6401012025270.

The previous prime is 6401012025263. The next prime is 6401012025299. The reversal of 6401012025271 is 1725202101046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6401012025271 - 2³ = 6401012025263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6401012025211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200506012635 + 3200506012636.

It is an arithmetic number, because the mean of its divisors is an integer number (3200506012636).

Almost surely, 2^{6401012025271} is an apocalyptic number.

6401012025271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401012025271 is an equidigital number, since it uses as much as digits as its factorization.

6401012025271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 6401012025271 in words is "six trillion, four hundred one billion, twelve million, twenty-five thousand, two hundred seventy-one".