505051000111 has 8 divisors (see below), whose sum is σ = 577295490464. Its totient is φ = 432830096640.

The previous prime is 505051000049. The next prime is 505051000133. The reversal of 505051000111 is 111000150505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505051000111 - 2¹³ = 505050991919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051003111) 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 7 ways as a sum of consecutive naturals, for example, 5850810 + ... + 5936503.

It is an arithmetic number, because the mean of its divisors is an integer number (72161936308).

Almost surely, 2^505051000111 is an apocalyptic number.

505051000111 is a deficient number, since it is larger than the sum of its proper divisors (72244490353).

505051000111 is a wasteful number, since it uses less digits than its factorization.

505051000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793441.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 505051000111 its reverse (111000150505), we get a palindrome (616051150616).

The spelling of 505051000111 in words is "five hundred five billion, fifty-one million, one hundred eleven", and thus it is an aban number.