125131125415 has 8 divisors (see below), whose sum is σ = 150566500800. Its totient is φ = 99832133472.

The previous prime is 125131125409. The next prime is 125131125451. The reversal of 125131125415 is 514521131521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125131125415 - 2⁹ = 125131124903 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34093840 + ... + 34097509.

It is an arithmetic number, because the mean of its divisors is an integer number (18820812600).

Almost surely, 2^125131125415 is an apocalyptic number.

125131125415 is a deficient number, since it is larger than the sum of its proper divisors (25435375385).

125131125415 is an equidigital number, since it uses as much as digits as its factorization.

125131125415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68191721.

The product of its digits is 6000, while the sum is 31.

Adding to 125131125415 its reverse (514521131521), we get a palindrome (639652256936).

The spelling of 125131125415 in words is "one hundred twenty-five billion, one hundred thirty-one million, one hundred twenty-five thousand, four hundred fifteen".