511012510343 has 2 divisors, whose sum is σ = 511012510344. Its totient is φ = 511012510342.

The previous prime is 511012510321. The next prime is 511012510381. The reversal of 511012510343 is 343015210115.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511012510343 is a prime.

It is a super-2 number, since 2×511012510343² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511012510243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255506255171 + 255506255172.

It is an arithmetic number, because the mean of its divisors is an integer number (255506255172).

Almost surely, 2^511012510343 is an apocalyptic number.

511012510343 is a deficient number, since it is larger than the sum of its proper divisors (1).

511012510343 is an equidigital number, since it uses as much as digits as its factorization.

511012510343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 511012510343 its reverse (343015210115), we get a palindrome (854027720458).

The spelling of 511012510343 in words is "five hundred eleven billion, twelve million, five hundred ten thousand, three hundred forty-three".