11512343324403 has 40 divisors (see below), whose sum is σ = 17838452419568. Its totient is φ = 7393718900736.

The previous prime is 11512343324399. The next prime is 11512343324423. The reversal of 11512343324403 is 30442334321511.

11512343324403 is a `hidden beast` number, since 1 + 1 + 51 + 234 + 332 + 4 + 40 + 3 = 666.

It is not a de Polignac number, because 11512343324403 - 2² = 11512343324399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512343324423) 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 39 ways as a sum of consecutive naturals, for example, 22384750 + ... + 22893267.

Almost surely, 2^{11512343324403} is an apocalyptic number.

11512343324403 is a deficient number, since it is larger than the sum of its proper divisors (6326109095165).

11512343324403 is an equidigital number, since it uses as much as digits as its factorization.

11512343324403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45278145 (or 45278136 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 11512343324403 its reverse (30442334321511), we get a palindrome (41954677645914).

The spelling of 11512343324403 in words is "eleven trillion, five hundred twelve billion, three hundred forty-three million, three hundred twenty-four thousand, four hundred three".