125797522211 has 2 divisors, whose sum is σ = 125797522212. Its totient is φ = 125797522210.

The previous prime is 125797522183. The next prime is 125797522219. The reversal of 125797522211 is 112225797521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125797522211 is a prime.

It is not a weakly prime, because it can be changed into another prime (125797522219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62898761105 + 62898761106.

It is an arithmetic number, because the mean of its divisors is an integer number (62898761106).

Almost surely, 2^125797522211 is an apocalyptic number.

125797522211 is a deficient number, since it is larger than the sum of its proper divisors (1).

125797522211 is an equidigital number, since it uses as much as digits as its factorization.

125797522211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 44.

The spelling of 125797522211 in words is "one hundred twenty-five billion, seven hundred ninety-seven million, five hundred twenty-two thousand, two hundred eleven".