506042210551 has 4 divisors (see below), whose sum is σ = 506950724952. Its totient is φ = 505133696152.

The previous prime is 506042210491. The next prime is 506042210567. The reversal of 506042210551 is 155012240605.

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 506042210551 - 2⁷ = 506042210423 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 (506042610551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454256365 + ... + 454257478.

It is an arithmetic number, because the mean of its divisors is an integer number (126737681238).

Almost surely, 2^506042210551 is an apocalyptic number.

506042210551 is a deficient number, since it is larger than the sum of its proper divisors (908514401).

506042210551 is an equidigital number, since it uses as much as digits as its factorization.

506042210551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908514400.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 506042210551 in words is "five hundred six billion, forty-two million, two hundred ten thousand, five hundred fifty-one".