10125241081 has 2 divisors, whose sum is σ = 10125241082. Its totient is φ = 10125241080.

The previous prime is 10125241073. The next prime is 10125241117. The reversal of 10125241081 is 18014252101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8047704681 + 2077536400 = 89709^2 + 45580^2 .

It is a cyclic number.

It is not a de Polignac number, because 10125241081 - 2³ = 10125241073 is a prime.

It is a super-2 number, since 2×10125241081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10125241001) 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 as a sum of consecutive naturals, namely, 5062620540 + 5062620541.

It is an arithmetic number, because the mean of its divisors is an integer number (5062620541).

Almost surely, 2^10125241081 is an apocalyptic number.

It is an amenable number.

10125241081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10125241081 is an equidigital number, since it uses as much as digits as its factorization.

10125241081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

Adding to 10125241081 its reverse (18014252101), we get a palindrome (28139493182).

The spelling of 10125241081 in words is "ten billion, one hundred twenty-five million, two hundred forty-one thousand, eighty-one".