11051432103 has 4 divisors (see below), whose sum is σ = 14735242808. Its totient is φ = 7367621400.

The previous prime is 11051432057. The next prime is 11051432123. The reversal of 11051432103 is 30123415011.

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

It is not a de Polignac number, because 11051432103 - 2¹² = 11051428007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11051432103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051432123) 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, 1841905348 + ... + 1841905353.

It is an arithmetic number, because the mean of its divisors is an integer number (3683810702).

Almost surely, 2^11051432103 is an apocalyptic number.

11051432103 is a deficient number, since it is larger than the sum of its proper divisors (3683810705).

11051432103 is an equidigital number, since it uses as much as digits as its factorization.

11051432103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683810704.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11051432103 its reverse (30123415011), we get a palindrome (41174847114).

The spelling of 11051432103 in words is "eleven billion, fifty-one million, four hundred thirty-two thousand, one hundred three".