511404631532 has 6 divisors (see below), whose sum is σ = 894958105188. Its totient is φ = 255702315764.

The previous prime is 511404631531. The next prime is 511404631553. The reversal of 511404631532 is 235136404115.

It is a junction number, because it is equal to n+sod(n) for n = 511404631492 and 511404631501.

It is not an unprimeable number, because it can be changed into a prime (511404631531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63925578938 + ... + 63925578945.

It is an arithmetic number, because the mean of its divisors is an integer number (149159684198).

Almost surely, 2^511404631532 is an apocalyptic number.

It is an amenable number.

511404631532 is a deficient number, since it is larger than the sum of its proper divisors (383553473656).

511404631532 is a wasteful number, since it uses less digits than its factorization.

511404631532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127851157887 (or 127851157885 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 511404631532 in words is "five hundred eleven billion, four hundred four million, six hundred thirty-one thousand, five hundred thirty-two".