125560000025 has 12 divisors (see below), whose sum is σ = 159491825724. Its totient is φ = 97998048000.

The previous prime is 125559999997. The next prime is 125560000079. The reversal of 125560000025 is 520000065521.

It can be written as a sum of positive squares in 6 ways, for example, as 12201190681 + 113358809344 = 110459^2 + 336688^2 .

It is not a de Polignac number, because 125560000025 - 2⁸ = 125559999769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125559999949 and 125560000003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61247756 + ... + 61249805.

It is an arithmetic number, because the mean of its divisors is an integer number (13290985477).

Almost surely, 2^125560000025 is an apocalyptic number.

It is an amenable number.

125560000025 is a deficient number, since it is larger than the sum of its proper divisors (33931825699).

125560000025 is a wasteful number, since it uses less digits than its factorization.

125560000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122497612 (or 122497607 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 125560000025 its reverse (520000065521), we get a palindrome (645560065546).

The spelling of 125560000025 in words is "one hundred twenty-five billion, five hundred sixty million, twenty-five", and thus it is an aban number.