125132002666 has 32 divisors (see below), whose sum is σ = 213743105280. Its totient is φ = 54433684800.

The previous prime is 125132002651. The next prime is 125132002669. The reversal of 125132002666 is 666200231521.

It is a super-3 number, since 3×125132002666³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (125132002669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210386 + ... + 1309693.

It is an arithmetic number, because the mean of its divisors is an integer number (6679472040).

Almost surely, 2^125132002666 is an apocalyptic number.

125132002666 is a deficient number, since it is larger than the sum of its proper divisors (88611102614).

125132002666 is a wasteful number, since it uses less digits than its factorization.

125132002666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520190.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 125132002666 in words is "one hundred twenty-five billion, one hundred thirty-two million, two thousand, six hundred sixty-six".