505051000511 has 16 divisors (see below), whose sum is σ = 536654289600. Its totient is φ = 473659207680.

The previous prime is 505051000507. The next prime is 505051000583. The reversal of 505051000511 is 115000150505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 505051000511 - 2² = 505051000507 is a prime.

It is a super-2 number, since 2×505051000511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505051003511) 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, 18221015 + ... + 18248711.

It is an arithmetic number, because the mean of its divisors is an integer number (33540893100).

Almost surely, 2^505051000511 is an apocalyptic number.

505051000511 is a deficient number, since it is larger than the sum of its proper divisors (31603289089).

505051000511 is a wasteful number, since it uses less digits than its factorization.

505051000511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31474.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 505051000511 in words is "five hundred five billion, fifty-one million, five hundred eleven", and thus it is an aban number.