511343000043 has 16 divisors (see below), whose sum is σ = 682378285056. Its totient is φ = 340601637600.

The previous prime is 511343000011. The next prime is 511343000057. The reversal of 511343000043 is 340000343115.

It is a happy number.

It is not a de Polignac number, because 511343000043 - 2⁵ = 511343000011 is a prime.

It is a super-2 number, since 2×511343000043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511342999977 and 511343000022.

It is not an unprimeable number, because it can be changed into a prime (511343000083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23192821 + ... + 23214857.

It is an arithmetic number, because the mean of its divisors is an integer number (42648642816).

Almost surely, 2^511343000043 is an apocalyptic number.

511343000043 is a deficient number, since it is larger than the sum of its proper divisors (171035285013).

511343000043 is a wasteful number, since it uses less digits than its factorization.

511343000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28354.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 511343000043 its reverse (340000343115), we get a palindrome (851343343158).

The spelling of 511343000043 in words is "five hundred eleven billion, three hundred forty-three million, forty-three", and thus it is an aban number.