125118316447 has 8 divisors (see below), whose sum is σ = 127317621200. Its totient is φ = 122937571584.

The previous prime is 125118316363. The next prime is 125118316451. The reversal of 125118316447 is 744613811521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125118316447 is a prime.

It is a super-2 number, since 2×125118316447² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125118311447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4626372 + ... + 4653337.

It is an arithmetic number, because the mean of its divisors is an integer number (15914702650).

Almost surely, 2^125118316447 is an apocalyptic number.

125118316447 is a deficient number, since it is larger than the sum of its proper divisors (2199304753).

125118316447 is an equidigital number, since it uses as much as digits as its factorization.

125118316447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279945.

The product of its digits is 161280, while the sum is 43.

The spelling of 125118316447 in words is "one hundred twenty-five billion, one hundred eighteen million, three hundred sixteen thousand, four hundred forty-seven".