125662112015 has 16 divisors (see below), whose sum is σ = 166100253696. Its totient is φ = 90503335200.

The previous prime is 125662111999. The next prime is 125662112021. The reversal of 125662112015 is 510211266521.

It is not a de Polignac number, because 125662112015 - 2⁴ = 125662111999 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11085431 + ... + 11096760.

It is an arithmetic number, because the mean of its divisors is an integer number (10381265856).

Almost surely, 2^125662112015 is an apocalyptic number.

125662112015 is a deficient number, since it is larger than the sum of its proper divisors (40438141681).

125662112015 is a wasteful number, since it uses less digits than its factorization.

125662112015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182310.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 125662112015 its reverse (510211266521), we get a palindrome (635873378536).

The spelling of 125662112015 in words is "one hundred twenty-five billion, six hundred sixty-two million, one hundred twelve thousand, fifteen".