125689603066 has 8 divisors (see below), whose sum is σ = 188820498240. Its totient is φ = 62749436988.

The previous prime is 125689603019. The next prime is 125689603093. The reversal of 125689603066 is 660306986521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47680626 + ... + 47683261.

It is an arithmetic number, because the mean of its divisors is an integer number (23602562280).

Almost surely, 2^125689603066 is an apocalyptic number.

125689603066 is a deficient number, since it is larger than the sum of its proper divisors (63130895174).

125689603066 is an equidigital number, since it uses as much as digits as its factorization.

125689603066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95364548.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 125689603066 in words is "one hundred twenty-five billion, six hundred eighty-nine million, six hundred three thousand, sixty-six".