11400413543 has 4 divisors (see below), whose sum is σ = 11473027800. Its totient is φ = 11327799288.

The previous prime is 11400413501. The next prime is 11400413567. The reversal of 11400413543 is 34531400411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11400413543 - 2²⁸ = 11131978087 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 (11400413593) 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, 36306893 + ... + 36307206.

It is an arithmetic number, because the mean of its divisors is an integer number (2868256950).

Almost surely, 2^11400413543 is an apocalyptic number.

11400413543 is a deficient number, since it is larger than the sum of its proper divisors (72614257).

11400413543 is an equidigital number, since it uses as much as digits as its factorization.

11400413543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72614256.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11400413543 its reverse (34531400411), we get a palindrome (45931813954).

The spelling of 11400413543 in words is "eleven billion, four hundred million, four hundred thirteen thousand, five hundred forty-three".