125250503113 has 4 divisors (see below), whose sum is σ = 126164740500. Its totient is φ = 124336265728.

The previous prime is 125250503111. The next prime is 125250503149. The reversal of 125250503113 is 311305052521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46765360009 + 78485143104 = 216253^2 + 280152^2 .

It is a cyclic number.

It is not a de Polignac number, because 125250503113 - 2¹ = 125250503111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125250503111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457118488 + ... + 457118761.

It is an arithmetic number, because the mean of its divisors is an integer number (31541185125).

Almost surely, 2^125250503113 is an apocalyptic number.

It is an amenable number.

125250503113 is a deficient number, since it is larger than the sum of its proper divisors (914237387).

125250503113 is an equidigital number, since it uses as much as digits as its factorization.

125250503113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914237386.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 125250503113 its reverse (311305052521), we get a palindrome (436555555634).

The spelling of 125250503113 in words is "one hundred twenty-five billion, two hundred fifty million, five hundred three thousand, one hundred thirteen".