1121031555133 has 8 divisors (see below), whose sum is σ = 1281301172352. Its totient is φ = 960792500976.

The previous prime is 1121031555121. The next prime is 1121031555151. The reversal of 1121031555133 is 3315551301211.

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

It is not a de Polignac number, because 1121031555133 - 2²⁵ = 1120998000701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121031555095 and 1121031555104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121031555433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7562110 + ... + 7708927.

It is an arithmetic number, because the mean of its divisors is an integer number (160162646544).

Almost surely, 2^{1121031555133} is an apocalyptic number.

It is an amenable number.

1121031555133 is a deficient number, since it is larger than the sum of its proper divisors (160269617219).

1121031555133 is a wasteful number, since it uses less digits than its factorization.

1121031555133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281531.

The product of its (nonzero) digits is 6750, while the sum is 31.

Adding to 1121031555133 its reverse (3315551301211), we get a palindrome (4436582856344).

The spelling of 1121031555133 in words is "one trillion, one hundred twenty-one billion, thirty-one million, five hundred fifty-five thousand, one hundred thirty-three".