506126764651103 has 4 divisors (see below), whose sum is σ = 507334704423960. Its totient is φ = 504918824878248.

The previous prime is 506126764651097. The next prime is 506126764651241. The reversal of 506126764651103 is 301156467621605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506126764651103 - 2²⁰ = 506126763602527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506126764651003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603969885800 + ... + 603969886637.

It is an arithmetic number, because the mean of its divisors is an integer number (126833676105990).

Almost surely, 2^{506126764651103} is an apocalyptic number.

506126764651103 is a deficient number, since it is larger than the sum of its proper divisors (1207939772857).

506126764651103 is a wasteful number, since it uses less digits than its factorization.

506126764651103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207939772856.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 506126764651103 in words is "five hundred six trillion, one hundred twenty-six billion, seven hundred sixty-four million, six hundred fifty-one thousand, one hundred three".