11109443351 has 4 divisors (see below), whose sum is σ = 11110459152. Its totient is φ = 11108427552.

The previous prime is 11109443327. The next prime is 11109443369. The reversal of 11109443351 is 15334490111.

11109443351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15334490111 = 2029 ⋅7557659.

It is a cyclic number.

It is not a de Polignac number, because 11109443351 - 2¹⁸ = 11109181207 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 (11109443381) 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, 491315 + ... + 513428.

It is an arithmetic number, because the mean of its divisors is an integer number (2777614788).

Almost surely, 2^11109443351 is an apocalyptic number.

11109443351 is a deficient number, since it is larger than the sum of its proper divisors (1015801).

11109443351 is a wasteful number, since it uses less digits than its factorization.

11109443351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015800.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 11109443351 in words is "eleven billion, one hundred nine million, four hundred forty-three thousand, three hundred fifty-one".