505535205998 has 8 divisors (see below), whose sum is σ = 771155399160. Its totient is φ = 248483406280.

The previous prime is 505535205991. The next prime is 505535206019. The reversal of 505535205998 is 899502535505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505535205991) 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, 2142098213 + ... + 2142098448.

It is an arithmetic number, because the mean of its divisors is an integer number (96394424895).

Almost surely, 2^505535205998 is an apocalyptic number.

505535205998 is a deficient number, since it is larger than the sum of its proper divisors (265620193162).

505535205998 is a wasteful number, since it uses less digits than its factorization.

505535205998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284196722.

The product of its (nonzero) digits is 12150000, while the sum is 56.

The spelling of 505535205998 in words is "five hundred five billion, five hundred thirty-five million, two hundred five thousand, nine hundred ninety-eight".