125968766518 has 8 divisors (see below), whose sum is σ = 215946456912. Its totient is φ = 53986614216.

The previous prime is 125968766479. The next prime is 125968766519. The reversal of 125968766518 is 815667869521.

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

It is a super-4 number, since 4×125968766518⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125968766518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125968766519) 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 3 ways as a sum of consecutive naturals, for example, 4498884505 + ... + 4498884532.

It is an arithmetic number, because the mean of its divisors is an integer number (26993307114).

Almost surely, 2^125968766518 is an apocalyptic number.

125968766518 is a deficient number, since it is larger than the sum of its proper divisors (89977690394).

125968766518 is an equidigital number, since it uses as much as digits as its factorization.

125968766518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997769046.

The product of its digits is 43545600, while the sum is 64.

The spelling of 125968766518 in words is "one hundred twenty-five billion, nine hundred sixty-eight million, seven hundred sixty-six thousand, five hundred eighteen".