511400313311 has 2 divisors, whose sum is σ = 511400313312. Its totient is φ = 511400313310.

The previous prime is 511400313301. The next prime is 511400313323. The reversal of 511400313311 is 113313004115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511400313311 - 2³⁰ = 510326571487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511400313301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255700156655 + 255700156656.

It is an arithmetic number, because the mean of its divisors is an integer number (255700156656).

Almost surely, 2^511400313311 is an apocalyptic number.

511400313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

511400313311 is an equidigital number, since it uses as much as digits as its factorization.

511400313311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 511400313311 its reverse (113313004115), we get a palindrome (624713317426).

The spelling of 511400313311 in words is "five hundred eleven billion, four hundred million, three hundred thirteen thousand, three hundred eleven".