505149802158 has 8 divisors (see below), whose sum is σ = 1010299604328. Its totient is φ = 168383267384.

The previous prime is 505149802153. The next prime is 505149802163. The reversal of 505149802158 is 851208941505.

It is an interprime number because it is at equal distance from previous prime (505149802153) and next prime (505149802163).

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

505149802158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505149802151) 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, 42095816841 + ... + 42095816852.

It is an arithmetic number, because the mean of its divisors is an integer number (126287450541).

Almost surely, 2^505149802158 is an apocalyptic number.

505149802158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505149802158 is a wasteful number, since it uses less digits than its factorization.

505149802158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84191633698.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 505149802158 in words is "five hundred five billion, one hundred forty-nine million, eight hundred two thousand, one hundred fifty-eight".