1123354152311 has 4 divisors (see below), whose sum is σ = 1131435837000. Its totient is φ = 1115272467624.

The previous prime is 1123354152293. The next prime is 1123354152313. The reversal of 1123354152311 is 1132514533211.

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-1123354152311 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 (1123354152313) 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 3 ways as a sum of consecutive naturals, for example, 4040842136 + ... + 4040842413.

It is an arithmetic number, because the mean of its divisors is an integer number (282858959250).

Almost surely, 2^{1123354152311} is an apocalyptic number.

1123354152311 is a deficient number, since it is larger than the sum of its proper divisors (8081684689).

1123354152311 is an equidigital number, since it uses as much as digits as its factorization.

1123354152311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081684688.

The product of its digits is 10800, while the sum is 32.

Adding to 1123354152311 its reverse (1132514533211), we get a palindrome (2255868685522).

The spelling of 1123354152311 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-four million, one hundred fifty-two thousand, three hundred eleven".