125405113415 has 8 divisors (see below), whose sum is σ = 150504397728. Its totient is φ = 100311916320.

The previous prime is 125405113403. The next prime is 125405113439. The reversal of 125405113415 is 514311504521.

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

It is not a de Polignac number, because 125405113415 - 2⁴ = 125405113399 is a prime.

It is a Duffinian number.

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, 1476356 + ... + 1558985.

It is an arithmetic number, because the mean of its divisors is an integer number (18813049716).

Almost surely, 2^125405113415 is an apocalyptic number.

125405113415 is a deficient number, since it is larger than the sum of its proper divisors (25099284313).

125405113415 is an equidigital number, since it uses as much as digits as its factorization.

125405113415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043609.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 125405113415 its reverse (514311504521), we get a palindrome (639716617936).

The spelling of 125405113415 in words is "one hundred twenty-five billion, four hundred five million, one hundred thirteen thousand, four hundred fifteen".