125486256803 has 2 divisors, whose sum is σ = 125486256804. Its totient is φ = 125486256802.

The previous prime is 125486256799. The next prime is 125486256871. The reversal of 125486256803 is 308652684521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125486256803 - 2² = 125486256799 is a prime.

It is not a weakly prime, because it can be changed into another prime (125486250803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62743128401 + 62743128402.

It is an arithmetic number, because the mean of its divisors is an integer number (62743128402).

Almost surely, 2^125486256803 is an apocalyptic number.

125486256803 is a deficient number, since it is larger than the sum of its proper divisors (1).

125486256803 is an equidigital number, since it uses as much as digits as its factorization.

125486256803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 125486256803 in words is "one hundred twenty-five billion, four hundred eighty-six million, two hundred fifty-six thousand, eight hundred three".