1143343522512 has 30 divisors (see below), whose sum is σ = 3199773886322. Its totient is φ = 381114507456.

The previous prime is 1143343522501. The next prime is 1143343522513. The reversal of 1143343522512 is 2152253433411.

1143343522512 is a `hidden beast` number, since 1 + 1 + 43 + 3 + 43 + 522 + 51 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1089359788176 + 53983734336 = 1043724^2 + 232344^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143343522513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3969942643 + ... + 3969942930.

Almost surely, 2^{1143343522512} is an apocalyptic number.

1143343522512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143343522512 is an abundant number, since it is smaller than the sum of its proper divisors (2056430363810).

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

1143343522512 is a wasteful number, since it uses less digits than its factorization.

1143343522512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939885587 (or 7939885578 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 1143343522512 its reverse (2152253433411), we get a palindrome (3295596955923).

The spelling of 1143343522512 in words is "one trillion, one hundred forty-three billion, three hundred forty-three million, five hundred twenty-two thousand, five hundred twelve".