506100000051 has 12 divisors (see below), whose sum is σ = 731329690312. Its totient is φ = 337263219936.

The previous prime is 506100000047. The next prime is 506100000061. The reversal of 506100000051 is 150000001605.

506100000051 is a `hidden beast` number, since 5 + 0 + 610 + 0 + 0 + 0 + 0 + 0 + 51 = 666.

It is not a de Polignac number, because 506100000051 - 2² = 506100000047 is a prime.

It is a super-2 number, since 2×506100000051² (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 (506100000061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11374906 + ... + 11419311.

Almost surely, 2^506100000051 is an apocalyptic number.

506100000051 is a deficient number, since it is larger than the sum of its proper divisors (225229690261).

506100000051 is a wasteful number, since it uses less digits than its factorization.

506100000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22796690 (or 22796687 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 506100000051 its reverse (150000001605), we get a palindrome (656100001656).

The spelling of 506100000051 in words is "five hundred six billion, one hundred million, fifty-one", and thus it is an aban number.