8125674485521 has 16 divisors (see below), whose sum is σ = 8623308602880. Its totient is φ = 7643195216640.

The previous prime is 8125674485441. The next prime is 8125674485527. The reversal of 8125674485521 is 1255844765218.

It is a cyclic number.

It is not a de Polignac number, because 8125674485521 - 2⁹ = 8125674485009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8125674485527) 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, 2504911 + ... + 4746148.

It is an arithmetic number, because the mean of its divisors is an integer number (538956787680).

Almost surely, 2^{8125674485521} is an apocalyptic number.

It is an amenable number.

8125674485521 is a deficient number, since it is larger than the sum of its proper divisors (497634117359).

8125674485521 is a wasteful number, since it uses less digits than its factorization.

8125674485521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252104.

The product of its digits is 21504000, while the sum is 58.

The spelling of 8125674485521 in words is "eight trillion, one hundred twenty-five billion, six hundred seventy-four million, four hundred eighty-five thousand, five hundred twenty-one".