125005030045 has 16 divisors (see below), whose sum is σ = 171501304320. Its totient is φ = 85684817664.

The previous prime is 125005030009. The next prime is 125005030049. The reversal of 125005030045 is 540030500521.

It is a cyclic number.

It is not a de Polignac number, because 125005030045 - 2¹³ = 125005021853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125005030049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 593157 + ... + 775786.

It is an arithmetic number, because the mean of its divisors is an integer number (10718831520).

Almost surely, 2^125005030045 is an apocalyptic number.

It is an amenable number.

125005030045 is a deficient number, since it is larger than the sum of its proper divisors (46496274275).

125005030045 is a wasteful number, since it uses less digits than its factorization.

125005030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371564.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 125005030045 its reverse (540030500521), we get a palindrome (665035530566).

It can be divided in two parts, 12500 and 5030045, that multiplied together give a square (62875562500 = 250750²).

The spelling of 125005030045 in words is "one hundred twenty-five billion, five million, thirty thousand, forty-five".