511201004002 has 16 divisors (see below), whose sum is σ = 825803895672. Its totient is φ = 235933879680.

The previous prime is 511201003991. The next prime is 511201004021. The reversal of 511201004002 is 200400102115.

It can be written as a sum of positive squares in 4 ways, for example, as 510897582441 + 303421561 = 714771^2 + 17419^2 .

It is a super-2 number, since 2×511201004002² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210102 + ... + 1576942.

Almost surely, 2^511201004002 is an apocalyptic number.

511201004002 is a deficient number, since it is larger than the sum of its proper divisors (314602891670).

511201004002 is a wasteful number, since it uses less digits than its factorization.

511201004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420453.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 511201004002 its reverse (200400102115), we get a palindrome (711601106117).

The spelling of 511201004002 in words is "five hundred eleven billion, two hundred one million, four thousand, two".