125105411231 has 2 divisors, whose sum is σ = 125105411232. Its totient is φ = 125105411230.

The previous prime is 125105411149. The next prime is 125105411311. The reversal of 125105411231 is 132114501521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125105411231 - 2¹⁸ = 125105149087 is a prime.

It is a super-2 number, since 2×125105411231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125105411231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125105411731) 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, 62552705615 + 62552705616.

It is an arithmetic number, because the mean of its divisors is an integer number (62552705616).

Almost surely, 2^125105411231 is an apocalyptic number.

125105411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

125105411231 is an equidigital number, since it uses as much as digits as its factorization.

125105411231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 125105411231 its reverse (132114501521), we get a palindrome (257219912752).

The spelling of 125105411231 in words is "one hundred twenty-five billion, one hundred five million, four hundred eleven thousand, two hundred thirty-one".