125708163211 has 2 divisors, whose sum is σ = 125708163212. Its totient is φ = 125708163210.

The previous prime is 125708163193. The next prime is 125708163233. The reversal of 125708163211 is 112361807521.

It is a weak prime.

It is an emirp because it is prime and its reverse (112361807521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125708163211 - 2¹³ = 125708155019 is a prime.

It is a super-4 number, since 4×125708163211⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (125708163311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62854081605 + 62854081606.

It is an arithmetic number, because the mean of its divisors is an integer number (62854081606).

Almost surely, 2^125708163211 is an apocalyptic number.

125708163211 is a deficient number, since it is larger than the sum of its proper divisors (1).

125708163211 is an equidigital number, since it uses as much as digits as its factorization.

125708163211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 125708163211 in words is "one hundred twenty-five billion, seven hundred eight million, one hundred sixty-three thousand, two hundred eleven".