1351231600446 has 192 divisors, whose sum is σ = 3654711889920. Its totient is φ = 351296974080.

The previous prime is 1351231600441. The next prime is 1351231600457. The reversal of 1351231600446 is 6440061321531.

1351231600446 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 2 + 3 + 1 + 600 + 4 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351231600446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351231600441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84491511 + ... + 84507501.

It is an arithmetic number, because the mean of its divisors is an integer number (19034957760).

Almost surely, 2^{1351231600446} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351231600446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827355944960).

1351231600446 is an abundant number, since it is smaller than the sum of its proper divisors (2303480289474).

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

1351231600446 is a wasteful number, since it uses less digits than its factorization.

1351231600446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751 (or 16748 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 1351231600446 its reverse (6440061321531), we get a palindrome (7791292921977).

The spelling of 1351231600446 in words is "one trillion, three hundred fifty-one billion, two hundred thirty-one million, six hundred thousand, four hundred forty-six".