1121366853783 has 12 divisors (see below), whose sum is σ = 1767002315208. Its totient is φ = 679616274960.

The previous prime is 1121366853773. The next prime is 1121366853787. The reversal of 1121366853783 is 3873586631211.

1121366853783 is a `hidden beast` number, since 1 + 1 + 21 + 3 + 6 + 6 + 8 + 537 + 83 = 666.

It is not a de Polignac number, because 1121366853783 - 2¹⁰ = 1121366852759 is a prime.

It is a super-2 number, since 2×1121366853783² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121366853787) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5663468860 + ... + 5663469057.

It is an arithmetic number, because the mean of its divisors is an integer number (147250192934).

Almost surely, 2^{1121366853783} is an apocalyptic number.

1121366853783 is a deficient number, since it is larger than the sum of its proper divisors (645635461425).

1121366853783 is a wasteful number, since it uses less digits than its factorization.

1121366853783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326937934 (or 11326937931 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 1121366853783 in words is "one trillion, one hundred twenty-one billion, three hundred sixty-six million, eight hundred fifty-three thousand, seven hundred eighty-three".