1131211233333 has 6 divisors (see below), whose sum is σ = 1633971781494. Its totient is φ = 754140822216.

The previous prime is 1131211233331. The next prime is 1131211233337. The reversal of 1131211233333 is 3333321121311.

1131211233333 is a `hidden beast` number, since 1 + 1 + 312 + 1 + 12 + 3 + 3 + 333 = 666.

It can be written as a sum of positive squares in only one way, i.e., 725260030884 + 405951202449 = 851622^2 + 637143^2 .

It is not a de Polignac number, because 1131211233333 - 2¹ = 1131211233331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131211233297 and 1131211233306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131211233331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62845068510 + ... + 62845068527.

It is an arithmetic number, because the mean of its divisors is an integer number (272328630249).

Almost surely, 2^{1131211233333} is an apocalyptic number.

It is an amenable number.

1131211233333 is a deficient number, since it is larger than the sum of its proper divisors (502760548161).

1131211233333 is a wasteful number, since it uses less digits than its factorization.

1131211233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125690137043 (or 125690137040 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

Adding to 1131211233333 its reverse (3333321121311), we get a palindrome (4464532354644).

The spelling of 1131211233333 in words is "one trillion, one hundred thirty-one billion, two hundred eleven million, two hundred thirty-three thousand, three hundred thirty-three".