125208720011 has 2 divisors, whose sum is σ = 125208720012. Its totient is φ = 125208720010.

The previous prime is 125208719963. The next prime is 125208720079. The reversal of 125208720011 is 110027802521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125208720011 - 2¹⁸ = 125208457867 is a prime.

It is not a weakly prime, because it can be changed into another prime (125208728011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62604360005 + 62604360006.

It is an arithmetic number, because the mean of its divisors is an integer number (62604360006).

Almost surely, 2^125208720011 is an apocalyptic number.

125208720011 is a deficient number, since it is larger than the sum of its proper divisors (1).

125208720011 is an equidigital number, since it uses as much as digits as its factorization.

125208720011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 125208720011 in words is "one hundred twenty-five billion, two hundred eight million, seven hundred twenty thousand, eleven".