125403311425 has 24 divisors (see below), whose sum is σ = 177889060800. Its totient is φ = 85906332480.

The previous prime is 125403311417. The next prime is 125403311459. The reversal of 125403311425 is 524113304521.

It is not a de Polignac number, because 125403311425 - 2³ = 125403311417 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 173290 + ... + 529939.

It is an arithmetic number, because the mean of its divisors is an integer number (7412044200).

Almost surely, 2^125403311425 is an apocalyptic number.

It is an amenable number.

125403311425 is a deficient number, since it is larger than the sum of its proper divisors (52485749375).

125403311425 is a wasteful number, since it uses less digits than its factorization.

125403311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704265 (or 704260 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 125403311425 its reverse (524113304521), we get a palindrome (649516615946).

The spelling of 125403311425 in words is "one hundred twenty-five billion, four hundred three million, three hundred eleven thousand, four hundred twenty-five".