1149161142876 has 24 divisors (see below), whose sum is σ = 2681695941120. Its totient is φ = 383008008432.

The previous prime is 1149161142859. The next prime is 1149161142889. The reversal of 1149161142876 is 6782411619411.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5608396 + ... + 5809683.

It is an arithmetic number, because the mean of its divisors is an integer number (111737330880).

Almost surely, 2^{1149161142876} is an apocalyptic number.

It is an amenable number.

1149161142876 is an abundant number, since it is smaller than the sum of its proper divisors (1532534798244).

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

1149161142876 is a wasteful number, since it uses less digits than its factorization.

1149161142876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11426473 (or 11426471 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The spelling of 1149161142876 in words is "one trillion, one hundred forty-nine billion, one hundred sixty-one million, one hundred forty-two thousand, eight hundred seventy-six".