506142505535021 has 8 divisors (see below), whose sum is σ = 533276358725760. Its totient is φ = 479435957119152.

The previous prime is 506142505535003. The next prime is 506142505535057. The reversal of 506142505535021 is 120535505241605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506142505535021 - 2¹⁰ = 506142505533997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506142505535921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106826191286 + ... + 106826196023.

It is an arithmetic number, because the mean of its divisors is an integer number (66659544840720).

Almost surely, 2^{506142505535021} is an apocalyptic number.

It is an amenable number.

506142505535021 is a deficient number, since it is larger than the sum of its proper divisors (27133853190739).

506142505535021 is a wasteful number, since it uses less digits than its factorization.

506142505535021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213652387435.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 506142505535021 in words is "five hundred six trillion, one hundred forty-two billion, five hundred five million, five hundred thirty-five thousand, twenty-one".