505611001028 has 48 divisors (see below), whose sum is σ = 1014450132864. Its totient is φ = 215999758080.

The previous prime is 505611001009. The next prime is 505611001111. The reversal of 505611001028 is 820100116505.

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, 11649608 + ... + 11692928.

It is an arithmetic number, because the mean of its divisors is an integer number (21134377768).

Almost surely, 2^505611001028 is an apocalyptic number.

It is an amenable number.

505611001028 is an abundant number, since it is smaller than the sum of its proper divisors (508839131836).

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

505611001028 is a wasteful number, since it uses less digits than its factorization.

505611001028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44652 (or 44650 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The spelling of 505611001028 in words is "five hundred five billion, six hundred eleven million, one thousand, twenty-eight".