125822703913 has 2 divisors, whose sum is σ = 125822703914. Its totient is φ = 125822703912.

The previous prime is 125822703907. The next prime is 125822703961. The reversal of 125822703913 is 319307228521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117657232144 + 8165471769 = 343012^2 + 90363^2 .

It is an emirp because it is prime and its reverse (319307228521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125822703913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125822703913.

It is not a weakly prime, because it can be changed into another prime (125822703973) 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, 62911351956 + 62911351957.

It is an arithmetic number, because the mean of its divisors is an integer number (62911351957).

Almost surely, 2^125822703913 is an apocalyptic number.

It is an amenable number.

125822703913 is a deficient number, since it is larger than the sum of its proper divisors (1).

125822703913 is an equidigital number, since it uses as much as digits as its factorization.

125822703913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 125822703913 in words is "one hundred twenty-five billion, eight hundred twenty-two million, seven hundred three thousand, nine hundred thirteen".