505740065411 has 16 divisors (see below), whose sum is σ = 578986103808. Its totient is φ = 432743731200.

The previous prime is 505740065393. The next prime is 505740065419. The reversal of 505740065411 is 114560047505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505740065411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505740065419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21938051 + ... + 21961091.

It is an arithmetic number, because the mean of its divisors is an integer number (36186631488).

Almost surely, 2^505740065411 is an apocalyptic number.

505740065411 is a deficient number, since it is larger than the sum of its proper divisors (73246038397).

505740065411 is a wasteful number, since it uses less digits than its factorization.

505740065411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 505740065411 in words is "five hundred five billion, seven hundred forty million, sixty-five thousand, four hundred eleven".