505051221116 has 18 divisors (see below), whose sum is σ = 957057122952. Its totient is φ = 233100563280.

The previous prime is 505051221097. The next prime is 505051221149. The reversal of 505051221116 is 611122150505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373557920 + ... + 373559271.

It is an arithmetic number, because the mean of its divisors is an integer number (53169840164).

Almost surely, 2^505051221116 is an apocalyptic number.

It is an amenable number.

505051221116 is a deficient number, since it is larger than the sum of its proper divisors (452005901836).

505051221116 is a wasteful number, since it uses less digits than its factorization.

505051221116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747117221 (or 747117206 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 505051221116 in words is "five hundred five billion, fifty-one million, two hundred twenty-one thousand, one hundred sixteen".