125135005211 has 2 divisors, whose sum is σ = 125135005212. Its totient is φ = 125135005210.

The previous prime is 125135005199. The next prime is 125135005291. The reversal of 125135005211 is 112500531521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125135005211 - 2¹⁴ = 125134988827 is a prime.

It is not a weakly prime, because it can be changed into another prime (125135005291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567502605 + 62567502606.

It is an arithmetic number, because the mean of its divisors is an integer number (62567502606).

Almost surely, 2^125135005211 is an apocalyptic number.

125135005211 is a deficient number, since it is larger than the sum of its proper divisors (1).

125135005211 is an equidigital number, since it uses as much as digits as its factorization.

125135005211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 125135005211 its reverse (112500531521), we get a palindrome (237635536732).

The spelling of 125135005211 in words is "one hundred twenty-five billion, one hundred thirty-five million, five thousand, two hundred eleven".