125160745866 has 64 divisors (see below), whose sum is σ = 278640915840. Its totient is φ = 37237559040.

The previous prime is 125160745861. The next prime is 125160745891. The reversal of 125160745866 is 668547061521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125160745861) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 57796 + ... + 503648.

It is an arithmetic number, because the mean of its divisors is an integer number (4353764310).

Almost surely, 2^125160745866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125160745866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139320457920).

125160745866 is an abundant number, since it is smaller than the sum of its proper divisors (153480169974).

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

125160745866 is a wasteful number, since it uses less digits than its factorization.

125160745866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445991.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 125160745866 in words is "one hundred twenty-five billion, one hundred sixty million, seven hundred forty-five thousand, eight hundred sixty-six".