505510501051 has 8 divisors (see below), whose sum is σ = 527648037120. Its totient is φ = 483386199912.

The previous prime is 505510501019. The next prime is 505510501079. The reversal of 505510501051 is 150105015505.

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 505510501051 - 2⁵ = 505510501019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505510501451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230631 + ... + 3383488.

It is an arithmetic number, because the mean of its divisors is an integer number (65956004640).

Almost surely, 2^505510501051 is an apocalyptic number.

505510501051 is a deficient number, since it is larger than the sum of its proper divisors (22137536069).

505510501051 is a wasteful number, since it uses less digits than its factorization.

505510501051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617465.

The product of its (nonzero) digits is 3125, while the sum is 28.

Adding to 505510501051 its reverse (150105015505), we get a palindrome (655615516556).

The spelling of 505510501051 in words is "five hundred five billion, five hundred ten million, five hundred one thousand, fifty-one".