1146728831143 has 24 divisors (see below), whose sum is σ = 1372276181952. Its totient is φ = 954975297024.

The previous prime is 1146728831119. The next prime is 1146728831221. The reversal of 1146728831143 is 3411388276411.

It is not a de Polignac number, because 1146728831143 - 2⁵ = 1146728831111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146728831243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1501746 + ... + 2132767.

It is an arithmetic number, because the mean of its divisors is an integer number (57178174248).

Almost surely, 2^{1146728831143} is an apocalyptic number.

1146728831143 is a deficient number, since it is larger than the sum of its proper divisors (225547350809).

1146728831143 is a wasteful number, since it uses less digits than its factorization.

1146728831143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634711 (or 3634704 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 1146728831143 in words is "one trillion, one hundred forty-six billion, seven hundred twenty-eight million, eight hundred thirty-one thousand, one hundred forty-three".