125248689517 has 8 divisors (see below), whose sum is σ = 147758822912. Its totient is φ = 103892922000.

The previous prime is 125248689509. The next prime is 125248689547. The reversal of 125248689517 is 715986842521.

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

It is not a de Polignac number, because 125248689517 - 2³ = 125248689509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125248689547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288591234 + ... + 288591667.

It is an arithmetic number, because the mean of its divisors is an integer number (18469852864).

Almost surely, 2^125248689517 is an apocalyptic number.

It is an amenable number.

125248689517 is a deficient number, since it is larger than the sum of its proper divisors (22510133395).

125248689517 is an equidigital number, since it uses as much as digits as its factorization.

125248689517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577182939.

The product of its digits is 9676800, while the sum is 58.

The spelling of 125248689517 in words is "one hundred twenty-five billion, two hundred forty-eight million, six hundred eighty-nine thousand, five hundred seventeen".