125041351251 has 16 divisors (see below), whose sum is σ = 176700261888. Its totient is φ = 78381187200.

The previous prime is 125041351189. The next prime is 125041351261. The reversal of 125041351251 is 152153140521.

It is not a de Polignac number, because 125041351251 - 2²¹ = 125039254099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125041351261) 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, 1136455 + ... + 1241616.

It is an arithmetic number, because the mean of its divisors is an integer number (11043766368).

Almost surely, 2^125041351251 is an apocalyptic number.

125041351251 is a deficient number, since it is larger than the sum of its proper divisors (51658910637).

125041351251 is a wasteful number, since it uses less digits than its factorization.

125041351251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379122.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 125041351251 its reverse (152153140521), we get a palindrome (277194491772).

The spelling of 125041351251 in words is "one hundred twenty-five billion, forty-one million, three hundred fifty-one thousand, two hundred fifty-one".