8125860171156 has 144 divisors (see below), whose sum is σ = 23754006501120. Its totient is φ = 2142949374720.

The previous prime is 8125860171139. The next prime is 8125860171157. The reversal of 8125860171156 is 6511710685218.

It is a super-2 number, since 2×8125860171156² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8125860171099 and 8125860171108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125860171157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200168421 + ... + 200209011.

It is an arithmetic number, because the mean of its divisors is an integer number (164958378480).

Almost surely, 2^{8125860171156} is an apocalyptic number.

It is an amenable number.

8125860171156 is an abundant number, since it is smaller than the sum of its proper divisors (15628146329964).

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

8125860171156 is a wasteful number, since it uses less digits than its factorization.

8125860171156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66814 (or 66805 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 8125860171156 in words is "eight trillion, one hundred twenty-five billion, eight hundred sixty million, one hundred seventy-one thousand, one hundred fifty-six".