505423530521535 has 16 divisors (see below), whose sum is σ = 808884630665856. Its totient is φ = 269490222334368.

The previous prime is 505423530521509. The next prime is 505423530521593. The reversal of 505423530521535 is 535125035324505.

It is not a de Polignac number, because 505423530521535 - 2¹⁷ = 505423530390463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4312060929 + ... + 4312178138.

It is an arithmetic number, because the mean of its divisors is an integer number (50555289416616).

Almost surely, 2^{505423530521535} is an apocalyptic number.

505423530521535 is a deficient number, since it is larger than the sum of its proper divisors (303461100144321).

505423530521535 is a wasteful number, since it uses less digits than its factorization.

505423530521535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624242982.

The product of its (nonzero) digits is 6750000, while the sum is 48.

The spelling of 505423530521535 in words is "five hundred five trillion, four hundred twenty-three billion, five hundred thirty million, five hundred twenty-one thousand, five hundred thirty-five".