520005151051 has 4 divisors (see below), whose sum is σ = 520007815600. Its totient is φ = 520002486504.

The previous prime is 520005151033. The next prime is 520005151067. The reversal of 520005151051 is 150151500025.

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 520005151051 - 2⁷ = 520005150923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520005154051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014231 + ... + 1438288.

It is an arithmetic number, because the mean of its divisors is an integer number (130001953900).

Almost surely, 2^520005151051 is an apocalyptic number.

520005151051 is a deficient number, since it is larger than the sum of its proper divisors (2664549).

520005151051 is a wasteful number, since it uses less digits than its factorization.

520005151051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664548.

The product of its (nonzero) digits is 1250, while the sum is 25.

Adding to 520005151051 its reverse (150151500025), we get a palindrome (670156651076).

The spelling of 520005151051 in words is "five hundred twenty billion, five million, one hundred fifty-one thousand, fifty-one".