125640464006 has 8 divisors (see below), whose sum is σ = 188526165120. Its totient is φ = 62798408968.

The previous prime is 125640463999. The next prime is 125640464017. The reversal of 125640464006 is 600464046521.

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

It is a congruent number.

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, 10904321 + ... + 10915836.

It is an arithmetic number, because the mean of its divisors is an integer number (23565770640).

Almost surely, 2^125640464006 is an apocalyptic number.

125640464006 is a deficient number, since it is larger than the sum of its proper divisors (62885701114).

125640464006 is a wasteful number, since it uses less digits than its factorization.

125640464006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21823038.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 125640464006 in words is "one hundred twenty-five billion, six hundred forty million, four hundred sixty-four thousand, six".