511201000304 has 20 divisors (see below), whose sum is σ = 1033515066576. Its totient is φ = 244487434752.

The previous prime is 511201000301. The next prime is 511201000307. The reversal of 511201000304 is 403000102115.

It is an interprime number because it is at equal distance from previous prime (511201000301) and next prime (511201000307).

It is a super-2 number, since 2×511201000304² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511201000301) 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, 694566209 + ... + 694566944.

Almost surely, 2^511201000304 is an apocalyptic number.

It is an amenable number.

511201000304 is an abundant number, since it is smaller than the sum of its proper divisors (522314066272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511201000304 is a wasteful number, since it uses less digits than its factorization.

511201000304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389133184 (or 1389133178 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 511201000304 its reverse (403000102115), we get a palindrome (914201102419).

The spelling of 511201000304 in words is "five hundred eleven billion, two hundred one million, three hundred four", and thus it is an aban number.