11516324662543 has 8 divisors (see below), whose sum is σ = 11890209638016. Its totient is φ = 11142589101600.

The previous prime is 11516324662519. The next prime is 11516324662553. The reversal of 11516324662543 is 34526642361511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11516324662543 - 2¹⁷ = 11516324531471 is a prime.

It is a super-2 number, since 2×11516324662543² (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 (11516324662553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37196968 + ... + 37505293.

It is an arithmetic number, because the mean of its divisors is an integer number (1486276204752).

Almost surely, 2^{11516324662543} is an apocalyptic number.

11516324662543 is a deficient number, since it is larger than the sum of its proper divisors (373884975473).

11516324662543 is an equidigital number, since it uses as much as digits as its factorization.

11516324662543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74707265.

The product of its digits is 3110400, while the sum is 49.

The spelling of 11516324662543 in words is "eleven trillion, five hundred sixteen billion, three hundred twenty-four million, six hundred sixty-two thousand, five hundred forty-three".