125159258197 has 2 divisors, whose sum is σ = 125159258198. Its totient is φ = 125159258196.

The previous prime is 125159258179. The next prime is 125159258221. The reversal of 125159258197 is 791852951521.

Together with previous prime (125159258179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74266605361 + 50892652836 = 272519^2 + 225594^2 .

It is an emirp because it is prime and its reverse (791852951521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125159258197 - 2⁷ = 125159258069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125159258177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62579629098 + 62579629099.

It is an arithmetic number, because the mean of its divisors is an integer number (62579629099).

Almost surely, 2^125159258197 is an apocalyptic number.

It is an amenable number.

125159258197 is a deficient number, since it is larger than the sum of its proper divisors (1).

125159258197 is an equidigital number, since it uses as much as digits as its factorization.

125159258197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 55.

The spelling of 125159258197 in words is "one hundred twenty-five billion, one hundred fifty-nine million, two hundred fifty-eight thousand, one hundred ninety-seven".