125699197711 has 2 divisors, whose sum is σ = 125699197712. Its totient is φ = 125699197710.

The previous prime is 125699197651. The next prime is 125699197721. The reversal of 125699197711 is 117791996521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125699197711 - 2²⁹ = 125162326799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125699197721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62849598855 + 62849598856.

It is an arithmetic number, because the mean of its divisors is an integer number (62849598856).

Almost surely, 2^125699197711 is an apocalyptic number.

125699197711 is a deficient number, since it is larger than the sum of its proper divisors (1).

125699197711 is an equidigital number, since it uses as much as digits as its factorization.

125699197711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 58.

The spelling of 125699197711 in words is "one hundred twenty-five billion, six hundred ninety-nine million, one hundred ninety-seven thousand, seven hundred eleven".