505011016051 has 4 divisors (see below), whose sum is σ = 505026772272. Its totient is φ = 504995259832.

The previous prime is 505011016039. The next prime is 505011016063. The reversal of 505011016051 is 150610110505.

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

It is an interprime number because it is at equal distance from previous prime (505011016039) and next prime (505011016063).

It is a cyclic number.

It is not a de Polignac number, because 505011016051 - 2¹³ = 505011007859 is a prime.

It is a super-2 number, since 2×505011016051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505011016651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7829935 + ... + 7894168.

It is an arithmetic number, because the mean of its divisors is an integer number (126256693068).

Almost surely, 2^505011016051 is an apocalyptic number.

505011016051 is a deficient number, since it is larger than the sum of its proper divisors (15756221).

505011016051 is a wasteful number, since it uses less digits than its factorization.

505011016051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15756220.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 505011016051 its reverse (150610110505), we get a palindrome (655621126556).

The spelling of 505011016051 in words is "five hundred five billion, eleven million, sixteen thousand, fifty-one".