125381352163 has 2 divisors, whose sum is σ = 125381352164. Its totient is φ = 125381352162.

The previous prime is 125381352113. The next prime is 125381352167. The reversal of 125381352163 is 361253183521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125381352163 - 2³³ = 116791417571 is a prime.

It is not a weakly prime, because it can be changed into another prime (125381352167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62690676081 + 62690676082.

It is an arithmetic number, because the mean of its divisors is an integer number (62690676082).

Almost surely, 2^125381352163 is an apocalyptic number.

125381352163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125381352163 is an equidigital number, since it uses as much as digits as its factorization.

125381352163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The spelling of 125381352163 in words is "one hundred twenty-five billion, three hundred eighty-one million, three hundred fifty-two thousand, one hundred sixty-three".