125993726656 has 84 divisors (see below), whose sum is σ = 300867318000. Its totient is φ = 52135297536.

The previous prime is 125993726609. The next prime is 125993726699. The reversal of 125993726656 is 656627399521.

It is a junction number, because it is equal to n+sod(n) for n = 125993726594 and 125993726603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601756 + ... + 783643.

Almost surely, 2^125993726656 is an apocalyptic number.

125993726656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125993726656 is an abundant number, since it is smaller than the sum of its proper divisors (174873591344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125993726656 is a wasteful number, since it uses less digits than its factorization.

125993726656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385454 (or 1385437 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 61.

The spelling of 125993726656 in words is "one hundred twenty-five billion, nine hundred ninety-three million, seven hundred twenty-six thousand, six hundred fifty-six".