11043511510103 has 4 divisors (see below), whose sum is σ = 11043520708080. Its totient is φ = 11043502312128.

The previous prime is 11043511510093. The next prime is 11043511510121. The reversal of 11043511510103 is 30101511534011.

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 11043511510103 - 2⁸ = 11043511509847 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 (11043511510133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469275 + ... + 5308892.

It is an arithmetic number, because the mean of its divisors is an integer number (2760880177020).

Almost surely, 2^{11043511510103} is an apocalyptic number.

11043511510103 is a deficient number, since it is larger than the sum of its proper divisors (9197977).

11043511510103 is an equidigital number, since it uses as much as digits as its factorization.

11043511510103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197976.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 11043511510103 in words is "eleven trillion, forty-three billion, five hundred eleven million, five hundred ten thousand, one hundred three".