511212414431 has 12 divisors (see below), whose sum is σ = 539597553264. Its totient is φ = 484249838400.

The previous prime is 511212414413. The next prime is 511212414467. The reversal of 511212414431 is 134414212115.

It is not a de Polignac number, because 511212414431 - 2⁶ = 511212414367 is a prime.

It is a super-2 number, since 2×511212414431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511212414394 and 511212414403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511212414481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3185486 + ... + 3342116.

It is an arithmetic number, because the mean of its divisors is an integer number (44966462772).

Almost surely, 2^511212414431 is an apocalyptic number.

511212414431 is a deficient number, since it is larger than the sum of its proper divisors (28385138833).

511212414431 is a wasteful number, since it uses less digits than its factorization.

511212414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165710 (or 165691 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

Adding to 511212414431 its reverse (134414212115), we get a palindrome (645626626546).

The spelling of 511212414431 in words is "five hundred eleven billion, two hundred twelve million, four hundred fourteen thousand, four hundred thirty-one".