11043511441613 has 4 divisors (see below), whose sum is σ = 12621155933280. Its totient is φ = 9465866949948.

The previous prime is 11043511441583. The next prime is 11043511441657. The reversal of 11043511441613 is 31614411534011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11043511441613 - 2⁶ = 11043511441549 is a prime.

It is a super-2 number, since 2×11043511441613² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043511441673) 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, 788822245823 + ... + 788822245836.

It is an arithmetic number, because the mean of its divisors is an integer number (3155288983320).

Almost surely, 2^{11043511441613} is an apocalyptic number.

It is an amenable number.

11043511441613 is a deficient number, since it is larger than the sum of its proper divisors (1577644491667).

11043511441613 is an equidigital number, since it uses as much as digits as its factorization.

11043511441613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577644491666.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 11043511441613 its reverse (31614411534011), we get a palindrome (42657922975624).

The spelling of 11043511441613 in words is "eleven trillion, forty-three billion, five hundred eleven million, four hundred forty-one thousand, six hundred thirteen".