125965720648 has 32 divisors (see below), whose sum is σ = 237542497920. Its totient is φ = 62621208000.

The previous prime is 125965720619. The next prime is 125965720703. The reversal of 125965720648 is 846027569521.

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, 11130913 + ... + 11142223.

It is an arithmetic number, because the mean of its divisors is an integer number (7423203060).

Almost surely, 2^125965720648 is an apocalyptic number.

It is an amenable number.

125965720648 is a deficient number, since it is larger than the sum of its proper divisors (111576777272).

125965720648 is a wasteful number, since it uses less digits than its factorization.

125965720648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19189 (or 19185 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 125965720648 in words is "one hundred twenty-five billion, nine hundred sixty-five million, seven hundred twenty thousand, six hundred forty-eight".