125676656880 has 40 divisors (see below), whose sum is σ = 389597637072. Its totient is φ = 33513775104.

The previous prime is 125676656869. The next prime is 125676656921. The reversal of 125676656880 is 88656676521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261826129 + ... + 261826608.

Almost surely, 2^125676656880 is an apocalyptic number.

125676656880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125676656880 is an abundant number, since it is smaller than the sum of its proper divisors (263920980192).

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

125676656880 is a wasteful number, since it uses less digits than its factorization.

125676656880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523652753 (or 523652747 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 125676656880 in words is "one hundred twenty-five billion, six hundred seventy-six million, six hundred fifty-six thousand, eight hundred eighty".