551534432303312 has 20 divisors (see below), whose sum is σ = 1068606890097216. Its totient is φ = 275764912278240.

The previous prime is 551534432303303. The next prime is 551534432303329. The reversal of 551534432303312 is 213303234435155.

It is a super-2 number, since 2×551534432303312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142016264 + ... + 145848167.

Almost surely, 2^{551534432303312} is an apocalyptic number.

It is an amenable number.

551534432303312 is a deficient number, since it is larger than the sum of its proper divisors (517072457793904).

551534432303312 is a wasteful number, since it uses less digits than its factorization.

551534432303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287984186 (or 287984180 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 44.

Adding to 551534432303312 its reverse (213303234435155), we get a palindrome (764837666738467).

The spelling of 551534432303312 in words is "five hundred fifty-one trillion, five hundred thirty-four billion, four hundred thirty-two million, three hundred three thousand, three hundred twelve".