125025243505 has 16 divisors (see below), whose sum is σ = 151856760384. Its totient is φ = 98802849600.

The previous prime is 125025243493. The next prime is 125025243509. The reversal of 125025243505 is 505342520521.

It is a de Polignac number, because none of the positive numbers 2^k-125025243505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125025243509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4843042 + ... + 4868788.

It is an arithmetic number, because the mean of its divisors is an integer number (9491047524).

Almost surely, 2^125025243505 is an apocalyptic number.

It is an amenable number.

125025243505 is a deficient number, since it is larger than the sum of its proper divisors (26831516879).

125025243505 is a wasteful number, since it uses less digits than its factorization.

125025243505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37536.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 125025243505 in words is "one hundred twenty-five billion, twenty-five million, two hundred forty-three thousand, five hundred five".