125806496003 has 4 divisors (see below), whose sum is σ = 125812167168. Its totient is φ = 125800824840.

The previous prime is 125806495987. The next prime is 125806496021. The reversal of 125806496003 is 300694608521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300694608521 = 131 ⋅2295378691.

It is a cyclic number.

It is not a de Polignac number, because 125806496003 - 2⁴ = 125806495987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125806496063) 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 in 3 ways as a sum of consecutive naturals, for example, 2802176 + ... + 2846717.

It is an arithmetic number, because the mean of its divisors is an integer number (31453041792).

Almost surely, 2^125806496003 is an apocalyptic number.

125806496003 is a deficient number, since it is larger than the sum of its proper divisors (5671165).

125806496003 is an equidigital number, since it uses as much as digits as its factorization.

125806496003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671164.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 125806496003 in words is "one hundred twenty-five billion, eight hundred six million, four hundred ninety-six thousand, three".