1131332433121 has 8 divisors (see below), whose sum is σ = 1238123909664. Its totient is φ = 1025198135520.

The previous prime is 1131332433083. The next prime is 1131332433199. The reversal of 1131332433121 is 1213342331311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131332433121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131332433121.

It is not an unprimeable number, because it can be changed into a prime (1131332433521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164291131 + ... + 164298016.

It is an arithmetic number, because the mean of its divisors is an integer number (154765488708).

Almost surely, 2^{1131332433121} is an apocalyptic number.

1131332433121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131332433121 is a deficient number, since it is larger than the sum of its proper divisors (106791476543).

1131332433121 is a wasteful number, since it uses less digits than its factorization.

1131332433121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328589471.

The product of its digits is 3888, while the sum is 28.

Adding to 1131332433121 its reverse (1213342331311), we get a palindrome (2344674764432).

The spelling of 1131332433121 in words is "one trillion, one hundred thirty-one billion, three hundred thirty-two million, four hundred thirty-three thousand, one hundred twenty-one".