5551144344312 has 192 divisors, whose sum is σ = 16370669952000. Its totient is φ = 1563791733504.

The previous prime is 5551144344301. The next prime is 5551144344323. The reversal of 5551144344312 is 2134434411555.

It is an interprime number because it is at equal distance from previous prime (5551144344301) and next prime (5551144344323).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67500114 + ... + 67582302.

It is an arithmetic number, because the mean of its divisors is an integer number (85263906000).

Almost surely, 2^{5551144344312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551144344312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8185334976000).

5551144344312 is an abundant number, since it is smaller than the sum of its proper divisors (10819525607688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5551144344312 is a wasteful number, since it uses less digits than its factorization.

5551144344312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83018 (or 83007 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

Adding to 5551144344312 its reverse (2134434411555), we get a palindrome (7685578755867).

The spelling of 5551144344312 in words is "five trillion, five hundred fifty-one billion, one hundred forty-four million, three hundred forty-four thousand, three hundred twelve".