125722070710666 has 16 divisors (see below), whose sum is σ = 197011810775808. Its totient is φ = 60100329175200.

The previous prime is 125722070710651. The next prime is 125722070710711. The reversal of 125722070710666 is 666017070227521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12215508915 + ... + 12215519206.

It is an arithmetic number, because the mean of its divisors is an integer number (12313238173488).

Almost surely, 2^{125722070710666} is an apocalyptic number.

125722070710666 is a deficient number, since it is larger than the sum of its proper divisors (71289740065142).

125722070710666 is a wasteful number, since it uses less digits than its factorization.

125722070710666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431028237.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 125722070710666 in words is "one hundred twenty-five trillion, seven hundred twenty-two billion, seventy million, seven hundred ten thousand, six hundred sixty-six".