125625532645 has 16 divisors (see below), whose sum is σ = 154600142400. Its totient is φ = 97944505344.

The previous prime is 125625532633. The next prime is 125625532649. The reversal of 125625532645 is 546235526521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125625532645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125625532595 and 125625532604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125625532649) 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, 554139 + ... + 747208.

It is an arithmetic number, because the mean of its divisors is an integer number (9662508900).

Almost surely, 2^125625532645 is an apocalyptic number.

It is an amenable number.

125625532645 is a deficient number, since it is larger than the sum of its proper divisors (28974609755).

125625532645 is a wasteful number, since it uses less digits than its factorization.

125625532645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301844.

The product of its digits is 2160000, while the sum is 46.

The spelling of 125625532645 in words is "one hundred twenty-five billion, six hundred twenty-five million, five hundred thirty-two thousand, six hundred forty-five".