1143411512 has 32 divisors (see below), whose sum is σ = 2241233280. Its totient is φ = 545841120.

The previous prime is 1143411509. The next prime is 1143411539. The reversal of 1143411512 is 2151143411.

It is a super-2 number, since 2×1143411512² = 2614779771548252288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99623 + ... + 110505.

It is an arithmetic number, because the mean of its divisors is an integer number (70038540).

Almost surely, 2^1143411512 is an apocalyptic number.

It is an amenable number.

1143411512 is a deficient number, since it is larger than the sum of its proper divisors (1097821768).

1143411512 is a wasteful number, since it uses less digits than its factorization.

1143411512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483 (or 11479 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 1143411512 is about 33814.3684252715. The cubic root of 1143411512 is about 1045.6849403370.

Adding to 1143411512 its reverse (2151143411), we get a palindrome (3294554923).

The spelling of 1143411512 in words is "one billion, one hundred forty-three million, four hundred eleven thousand, five hundred twelve".