125117112666 has 32 divisors (see below), whose sum is σ = 307980586368. Its totient is φ = 32997919680.

The previous prime is 125117112661. The next prime is 125117112709. The reversal of 125117112666 is 666211711521.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (125117112661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114575565 + ... + 114576656.

It is an arithmetic number, because the mean of its divisors is an integer number (9624393324).

Almost surely, 2^125117112666 is an apocalyptic number.

125117112666 is an abundant number, since it is smaller than the sum of its proper divisors (182863473702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125117112666 is a wasteful number, since it uses less digits than its factorization.

125117112666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229152246.

The product of its digits is 30240, while the sum is 39.

The spelling of 125117112666 in words is "one hundred twenty-five billion, one hundred seventeen million, one hundred twelve thousand, six hundred sixty-six".