125637857606 has 8 divisors (see below), whose sum is σ = 192839502504. Its totient is φ = 61358023440.

The previous prime is 125637857603. The next prime is 125637857647. The reversal of 125637857606 is 606758736521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125637857603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730452575 + ... + 730452746.

It is an arithmetic number, because the mean of its divisors is an integer number (24104937813).

Almost surely, 2^125637857606 is an apocalyptic number.

125637857606 is a deficient number, since it is larger than the sum of its proper divisors (67201644898).

125637857606 is a wasteful number, since it uses less digits than its factorization.

125637857606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460905366.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 125637857606 in words is "one hundred twenty-five billion, six hundred thirty-seven million, eight hundred fifty-seven thousand, six hundred six".