125938518803 has 2 divisors, whose sum is σ = 125938518804. Its totient is φ = 125938518802.

The previous prime is 125938518731. The next prime is 125938518817. The reversal of 125938518803 is 308815839521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125938518803 - 2¹⁴ = 125938502419 is a prime.

It is not a weakly prime, because it can be changed into another prime (125938518883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62969259401 + 62969259402.

It is an arithmetic number, because the mean of its divisors is an integer number (62969259402).

Almost surely, 2^125938518803 is an apocalyptic number.

125938518803 is a deficient number, since it is larger than the sum of its proper divisors (1).

125938518803 is an equidigital number, since it uses as much as digits as its factorization.

125938518803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 125938518803 in words is "one hundred twenty-five billion, nine hundred thirty-eight million, five hundred eighteen thousand, eight hundred three".