511431350552 has 8 divisors (see below), whose sum is σ = 958933782300. Its totient is φ = 255715675272.

The previous prime is 511431350543. The next prime is 511431350567. The reversal of 511431350552 is 255053134115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31964459402 + ... + 31964459417.

Almost surely, 2^511431350552 is an apocalyptic number.

It is an amenable number.

511431350552 is a deficient number, since it is larger than the sum of its proper divisors (447502431748).

511431350552 is a wasteful number, since it uses less digits than its factorization.

511431350552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63928918825 (or 63928918821 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 511431350552 its reverse (255053134115), we get a palindrome (766484484667).

The spelling of 511431350552 in words is "five hundred eleven billion, four hundred thirty-one million, three hundred fifty thousand, five hundred fifty-two".