511341065311 has 4 divisors (see below), whose sum is σ = 511686334224. Its totient is φ = 510995796400.

The previous prime is 511341065269. The next prime is 511341065317. The reversal of 511341065311 is 113560143115.

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 511341065311 - 2¹¹ = 511341063263 is a prime.

It is a super-2 number, since 2×511341065311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511341065317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172632235 + ... + 172635196.

It is an arithmetic number, because the mean of its divisors is an integer number (127921583556).

Almost surely, 2^511341065311 is an apocalyptic number.

511341065311 is a deficient number, since it is larger than the sum of its proper divisors (345268913).

511341065311 is a wasteful number, since it uses less digits than its factorization.

511341065311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345268912.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 511341065311 in words is "five hundred eleven billion, three hundred forty-one million, sixty-five thousand, three hundred eleven".