125668882558 has 4 divisors (see below), whose sum is σ = 188503323840. Its totient is φ = 62834441278.

The previous prime is 125668882543. The next prime is 125668882597. The reversal of 125668882558 is 855288866521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 855288866521 = 6967 ⋅122762863.

It is a self number, because there is not a number n which added to its sum of digits gives 125668882558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31417220638 + ... + 31417220641.

It is an arithmetic number, because the mean of its divisors is an integer number (47125830960).

Almost surely, 2^125668882558 is an apocalyptic number.

125668882558 is a deficient number, since it is larger than the sum of its proper divisors (62834441282).

125668882558 is an equidigital number, since it uses as much as digits as its factorization.

125668882558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62834441281.

The product of its digits is 73728000, while the sum is 64.

The spelling of 125668882558 in words is "one hundred twenty-five billion, six hundred sixty-eight million, eight hundred eighty-two thousand, five hundred fifty-eight".