505121103516 has 24 divisors (see below), whose sum is σ = 1196207192320. Its totient is φ = 165860660592.

The previous prime is 505121103497. The next prime is 505121103533. The reversal of 505121103516 is 615301121505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314129236 + ... + 314130843.

Almost surely, 2^505121103516 is an apocalyptic number.

It is an amenable number.

505121103516 is an abundant number, since it is smaller than the sum of its proper divisors (691086088804).

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

505121103516 is a wasteful number, since it uses less digits than its factorization.

505121103516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628260153 (or 628260151 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 505121103516 in words is "five hundred five billion, one hundred twenty-one million, one hundred three thousand, five hundred sixteen".