1149229211728 has 20 divisors (see below), whose sum is σ = 2397910951828. Its totient is φ = 530413482240.

The previous prime is 1149229211719. The next prime is 1149229211743. The reversal of 1149229211728 is 8271129229411.

It can be written as a sum of positive squares in 2 ways, for example, as 558409463824 + 590819747904 = 747268^2 + 768648^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762570013 + ... + 2762570428.

Almost surely, 2^{1149229211728} is an apocalyptic number.

It is an amenable number.

1149229211728 is an abundant number, since it is smaller than the sum of its proper divisors (1248681740100).

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

1149229211728 is a wasteful number, since it uses less digits than its factorization.

1149229211728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525140462 (or 5525140456 counting only the distinct ones).

The product of its digits is 290304, while the sum is 49.

The spelling of 1149229211728 in words is "one trillion, one hundred forty-nine billion, two hundred twenty-nine million, two hundred eleven thousand, seven hundred twenty-eight".