125273210056 has 64 divisors (see below), whose sum is σ = 249337440000. Its totient is φ = 58908380160.

The previous prime is 125273210033. The next prime is 125273210057. The reversal of 125273210056 is 650012372521.

It is not an unprimeable number, because it can be changed into a prime (125273210057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273520 + ... + 2327968.

It is an arithmetic number, because the mean of its divisors is an integer number (3895897500).

Almost surely, 2^125273210056 is an apocalyptic number.

It is an amenable number.

125273210056 is a deficient number, since it is larger than the sum of its proper divisors (124064229944).

125273210056 is a wasteful number, since it uses less digits than its factorization.

125273210056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54742 (or 54738 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 125273210056 its reverse (650012372521), we get a palindrome (775285582577).

The spelling of 125273210056 in words is "one hundred twenty-five billion, two hundred seventy-three million, two hundred ten thousand, fifty-six".