125725829968 has 20 divisors (see below), whose sum is σ = 243601688628. Its totient is φ = 62860878080.

The previous prime is 125725829951. The next prime is 125725829981. The reversal of 125725829968 is 869928527521.

It can be written as a sum of positive squares in 2 ways, for example, as 32547046464 + 93178783504 = 180408^2 + 305252^2 .

It is a super-2 number, since 2×125725829968² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465588 + ... + 684268.

Almost surely, 2^125725829968 is an apocalyptic number.

It is an amenable number.

125725829968 is a deficient number, since it is larger than the sum of its proper divisors (117875858660).

125725829968 is a wasteful number, since it uses less digits than its factorization.

125725829968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254622 (or 254616 counting only the distinct ones).

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

The spelling of 125725829968 in words is "one hundred twenty-five billion, seven hundred twenty-five million, eight hundred twenty-nine thousand, nine hundred sixty-eight".