505535255316 has 72 divisors (see below), whose sum is σ = 1572776360064. Its totient is φ = 133327978560.

The previous prime is 505535255293. The next prime is 505535255321. The reversal of 505535255316 is 613552535505.

505535255316 is a `hidden beast` number, since 5 + 0 + 55 + 35 + 2 + 553 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77154120 + ... + 77160671.

It is an arithmetic number, because the mean of its divisors is an integer number (21844116112).

Almost surely, 2^505535255316 is an apocalyptic number.

It is an amenable number.

505535255316 is an abundant number, since it is smaller than the sum of its proper divisors (1067241104748).

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

505535255316 is a wasteful number, since it uses less digits than its factorization.

505535255316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154314821 (or 154314816 counting only the distinct ones).

The product of its (nonzero) digits is 1687500, while the sum is 45.

The spelling of 505535255316 in words is "five hundred five billion, five hundred thirty-five million, two hundred fifty-five thousand, three hundred sixteen".