125254286656 has 28 divisors (see below), whose sum is σ = 248570127700. Its totient is φ = 62622443520.

The previous prime is 125254286639. The next prime is 125254286659. The reversal of 125254286656 is 656682452521.

It can be written as a sum of positive squares in 2 ways, for example, as 65835349056 + 59418937600 = 256584^2 + 243760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125254286659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882520 + ... + 1014568.

Almost surely, 2^125254286656 is an apocalyptic number.

125254286656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125254286656 is a deficient number, since it is larger than the sum of its proper divisors (123315841044).

125254286656 is a wasteful number, since it uses less digits than its factorization.

125254286656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146882 (or 146872 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The spelling of 125254286656 in words is "one hundred twenty-five billion, two hundred fifty-four million, two hundred eighty-six thousand, six hundred fifty-six".