1133121553412 has 24 divisors (see below), whose sum is σ = 1998940210176. Its totient is φ = 561997402848.

The previous prime is 1133121553409. The next prime is 1133121553423. The reversal of 1133121553412 is 2143551213311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630963 + ... + 3031205.

It is an arithmetic number, because the mean of its divisors is an integer number (83289175424).

Almost surely, 2^{1133121553412} is an apocalyptic number.

It is an amenable number.

1133121553412 is a deficient number, since it is larger than the sum of its proper divisors (865818656764).

1133121553412 is a wasteful number, since it uses less digits than its factorization.

1133121553412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405947 (or 405945 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

Adding to 1133121553412 its reverse (2143551213311), we get a palindrome (3276672766723).

The spelling of 1133121553412 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-one million, five hundred fifty-three thousand, four hundred twelve".