511143440451034 has 48 divisors (see below), whose sum is σ = 831902984719488. Its totient is φ = 235390594042368.

The previous prime is 511143440450963. The next prime is 511143440451037. The reversal of 511143440451034 is 430154044341115.

It is a super-2 number, since 2×511143440451034² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511143440451037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215141422 + ... + 217504294.

It is an arithmetic number, because the mean of its divisors is an integer number (17331312181656).

Almost surely, 2^{511143440451034} is an apocalyptic number.

511143440451034 is a deficient number, since it is larger than the sum of its proper divisors (320759544268454).

511143440451034 is a wasteful number, since it uses less digits than its factorization.

511143440451034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370919 (or 2370902 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 511143440451034 its reverse (430154044341115), we get a palindrome (941297484792149).

The spelling of 511143440451034 in words is "five hundred eleven trillion, one hundred forty-three billion, four hundred forty million, four hundred fifty-one thousand, thirty-four".