505500130031504 has 20 divisors (see below), whose sum is σ = 980010700938780. Its totient is φ = 252594142692480.

The previous prime is 505500130031489. The next prime is 505500130031551. The reversal of 505500130031504 is 405130031005505.

It can be written as a sum of positive squares in 2 ways, for example, as 175871413769104 + 329628716262400 = 13261652^2 + 18155680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9745118459 + ... + 9745170330.

It is an arithmetic number, because the mean of its divisors is an integer number (49000535046939).

Almost surely, 2^{505500130031504} is an apocalyptic number.

It is an amenable number.

505500130031504 is a deficient number, since it is larger than the sum of its proper divisors (474510570907276).

505500130031504 is a wasteful number, since it uses less digits than its factorization.

505500130031504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19490290418 (or 19490290412 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 505500130031504 in words is "five hundred five trillion, five hundred billion, one hundred thirty million, thirty-one thousand, five hundred four".