125211170425 has 24 divisors (see below), whose sum is σ = 170079462432. Its totient is φ = 90684768000.

The previous prime is 125211170423. The next prime is 125211170471. The reversal of 125211170425 is 524071112521.

It is not a de Polignac number, because 125211170425 - 2¹ = 125211170423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125211170423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 878359 + ... + 1010908.

It is an arithmetic number, because the mean of its divisors is an integer number (7086644268).

Almost surely, 2^125211170425 is an apocalyptic number.

It is an amenable number.

125211170425 is a deficient number, since it is larger than the sum of its proper divisors (44868292007).

125211170425 is a wasteful number, since it uses less digits than its factorization.

125211170425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889529 (or 1889524 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 125211170425 its reverse (524071112521), we get a palindrome (649282282946).

The spelling of 125211170425 in words is "one hundred twenty-five billion, two hundred eleven million, one hundred seventy thousand, four hundred twenty-five".