1146243551111 has 4 divisors (see below), whose sum is σ = 1153936461000. Its totient is φ = 1138550641224.

The previous prime is 1146243551099. The next prime is 1146243551147. The reversal of 1146243551111 is 1111553426411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146243551111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146243551311) 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 3 ways as a sum of consecutive naturals, for example, 3846454721 + ... + 3846455018.

It is an arithmetic number, because the mean of its divisors is an integer number (288484115250).

Almost surely, 2^{1146243551111} is an apocalyptic number.

1146243551111 is a deficient number, since it is larger than the sum of its proper divisors (7692909889).

1146243551111 is an equidigital number, since it uses as much as digits as its factorization.

1146243551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692909888.

The product of its digits is 14400, while the sum is 35.

Adding to 1146243551111 its reverse (1111553426411), we get a palindrome (2257796977522).

The spelling of 1146243551111 in words is "one trillion, one hundred forty-six billion, two hundred forty-three million, five hundred fifty-one thousand, one hundred eleven".