11543444303 has 2 divisors, whose sum is σ = 11543444304. Its totient is φ = 11543444302.

The previous prime is 11543444293. The next prime is 11543444321. The reversal of 11543444303 is 30344434511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11543444303 - 2²² = 11539249999 is a prime.

It is a super-2 number, since 2×11543444303² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11543444303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543444903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771722151 + 5771722152.

It is an arithmetic number, because the mean of its divisors is an integer number (5771722152).

Almost surely, 2^11543444303 is an apocalyptic number.

11543444303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543444303 is an equidigital number, since it uses as much as digits as its factorization.

11543444303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 11543444303 its reverse (30344434511), we get a palindrome (41887878814).

The spelling of 11543444303 in words is "eleven billion, five hundred forty-three million, four hundred forty-four thousand, three hundred three".