125263528547 has 16 divisors (see below), whose sum is σ = 126537510528. Its totient is φ = 123997194240.

The previous prime is 125263528543. The next prime is 125263528549. The reversal of 125263528547 is 745825362521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125263528547 - 2² = 125263528543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125263528495 and 125263528504.

It is not an unprimeable number, because it can be changed into a prime (125263528541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44214443 + ... + 44217275.

It is an arithmetic number, because the mean of its divisors is an integer number (7908594408).

Almost surely, 2^125263528547 is an apocalyptic number.

125263528547 is a deficient number, since it is larger than the sum of its proper divisors (1273981981).

125263528547 is a wasteful number, since it uses less digits than its factorization.

125263528547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030.

The product of its digits is 4032000, while the sum is 50.

The spelling of 125263528547 in words is "one hundred twenty-five billion, two hundred sixty-three million, five hundred twenty-eight thousand, five hundred forty-seven".