113543001311 has 4 divisors (see below), whose sum is σ = 113543758152. Its totient is φ = 113542244472.

The previous prime is 113543001281. The next prime is 113543001331. The reversal of 113543001311 is 113100345311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113543001311 - 2¹⁴ = 113542984927 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 (113543001331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69116 + ... + 481521.

It is an arithmetic number, because the mean of its divisors is an integer number (28385939538).

Almost surely, 2^113543001311 is an apocalyptic number.

113543001311 is a deficient number, since it is larger than the sum of its proper divisors (756841).

113543001311 is an equidigital number, since it uses as much as digits as its factorization.

113543001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756840.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 113543001311 its reverse (113100345311), we get a palindrome (226643346622).

The spelling of 113543001311 in words is "one hundred thirteen billion, five hundred forty-three million, one thousand, three hundred eleven".