1123546453211 has 16 divisors (see below), whose sum is σ = 1382890622400. Its totient is φ = 888918547968.

The previous prime is 1123546453187. The next prime is 1123546453213.

1123546453211 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1123546453211 - 2²² = 1123542258907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123546453213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763735 + ... + 2314703.

It is an arithmetic number, because the mean of its divisors is an integer number (86430663900).

Almost surely, 2^{1123546453211} is an apocalyptic number.

1123546453211 is a deficient number, since it is larger than the sum of its proper divisors (259344169189).

1123546453211 is a wasteful number, since it uses less digits than its factorization.

1123546453211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573398.

The product of its digits is 86400, while the sum is 38.

The spelling of 1123546453211 in words is "one trillion, one hundred twenty-three billion, five hundred forty-six million, four hundred fifty-three thousand, two hundred eleven".