125920745011 has 2 divisors, whose sum is σ = 125920745012. Its totient is φ = 125920745010.

The previous prime is 125920744969. The next prime is 125920745029. The reversal of 125920745011 is 110547029521.

It is a strong prime.

It is an emirp because it is prime and its reverse (110547029521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125920745011 - 2²⁵ = 125887190579 is a prime.

It is not a weakly prime, because it can be changed into another prime (125920745411) 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, 62960372505 + 62960372506.

It is an arithmetic number, because the mean of its divisors is an integer number (62960372506).

Almost surely, 2^125920745011 is an apocalyptic number.

125920745011 is a deficient number, since it is larger than the sum of its proper divisors (1).

125920745011 is an equidigital number, since it uses as much as digits as its factorization.

125920745011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 125920745011 in words is "one hundred twenty-five billion, nine hundred twenty million, seven hundred forty-five thousand, eleven".