505500401411 has 4 divisors (see below), whose sum is σ = 505524214272. Its totient is φ = 505476588552.

The previous prime is 505500401389. The next prime is 505500401423. The reversal of 505500401411 is 114104005505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505500401411 - 2²² = 505496207107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505500401011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11874560 + ... + 11917053.

It is an arithmetic number, because the mean of its divisors is an integer number (126381053568).

Almost surely, 2^505500401411 is an apocalyptic number.

505500401411 is a deficient number, since it is larger than the sum of its proper divisors (23812861).

505500401411 is a wasteful number, since it uses less digits than its factorization.

505500401411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23812860.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 505500401411 its reverse (114104005505), we get a palindrome (619604406916).

The spelling of 505500401411 in words is "five hundred five billion, five hundred million, four hundred one thousand, four hundred eleven".