505621161052 has 24 divisors (see below), whose sum is σ = 1011839724896. Its totient is φ = 216566768448.

The previous prime is 505621161047. The next prime is 505621161077. The reversal of 505621161052 is 250161126505.

It is a super-3 number, since 3×505621161052³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505621160999 and 505621161017.

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, 5285703 + ... + 5380510.

Almost surely, 2^505621161052 is an apocalyptic number.

It is an amenable number.

505621161052 is an abundant number, since it is smaller than the sum of its proper divisors (506218563844).

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

505621161052 is a wasteful number, since it uses less digits than its factorization.

505621161052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10667917 (or 10667915 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 505621161052 its reverse (250161126505), we get a palindrome (755782287557).

The spelling of 505621161052 in words is "five hundred five billion, six hundred twenty-one million, one hundred sixty-one thousand, fifty-two".