125142240144215 has 64 divisors (see below), whose sum is σ = 181502092541952. Its totient is φ = 81008765107200.

The previous prime is 125142240144203. The next prime is 125142240144281. The reversal of 125142240144215 is 512441042241521.

It is not a de Polignac number, because 125142240144215 - 2⁶ = 125142240144151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390551609 + ... + 390871901.

It is an arithmetic number, because the mean of its divisors is an integer number (2835970195968).

Almost surely, 2^{125142240144215} is an apocalyptic number.

125142240144215 is a deficient number, since it is larger than the sum of its proper divisors (56359852397737).

125142240144215 is a wasteful number, since it uses less digits than its factorization.

125142240144215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329160.

The product of its (nonzero) digits is 102400, while the sum is 38.

Adding to 125142240144215 its reverse (512441042241521), we get a palindrome (637583282385736).

The spelling of 125142240144215 in words is "one hundred twenty-five trillion, one hundred forty-two billion, two hundred forty million, one hundred forty-four thousand, two hundred fifteen".