671325655375 has 8 divisors (see below), whose sum is σ = 837814418064. Its totient is φ = 537060524200.

The previous prime is 671325655309. The next prime is 671325655381. The reversal of 671325655375 is 573556523176.

It is a happy number.

It is not a de Polignac number, because 671325655375 - 2⁹ = 671325654863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685302497 + ... + 2685302746.

It is an arithmetic number, because the mean of its divisors is an integer number (104726802258).

Almost surely, 2^671325655375 is an apocalyptic number.

671325655375 is a deficient number, since it is larger than the sum of its proper divisors (166488762689).

671325655375 is an equidigital number, since it uses as much as digits as its factorization.

671325655375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370605258 (or 5370605248 counting only the distinct ones).

The product of its digits is 19845000, while the sum is 55.

The spelling of 671325655375 in words is "six hundred seventy-one billion, three hundred twenty-five million, six hundred fifty-five thousand, three hundred seventy-five".