125052020251 has 2 divisors, whose sum is σ = 125052020252. Its totient is φ = 125052020250.

The previous prime is 125052020243. The next prime is 125052020273. The reversal of 125052020251 is 152020250521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125052020251 - 2³ = 125052020243 is a prime.

It is not a weakly prime, because it can be changed into another prime (125052020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62526010125 + 62526010126.

It is an arithmetic number, because the mean of its divisors is an integer number (62526010126).

Almost surely, 2^125052020251 is an apocalyptic number.

125052020251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125052020251 is an equidigital number, since it uses as much as digits as its factorization.

125052020251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 125052020251 its reverse (152020250521), we get a palindrome (277072270772).

The spelling of 125052020251 in words is "one hundred twenty-five billion, fifty-two million, twenty thousand, two hundred fifty-one".