11456503123542 has 8 divisors (see below), whose sum is σ = 22913006247096. Its totient is φ = 3818834374512.

The previous prime is 11456503123477. The next prime is 11456503123727. The reversal of 11456503123542 is 24532130565411.

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

11456503123542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11456503123494 and 11456503123503.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 954708593623 + ... + 954708593634.

It is an arithmetic number, because the mean of its divisors is an integer number (2864125780887).

Almost surely, 2^{11456503123542} is an apocalyptic number.

11456503123542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11456503123542 is a wasteful number, since it uses less digits than its factorization.

11456503123542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909417187262.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 11456503123542 its reverse (24532130565411), we get a palindrome (35988633688953).

The spelling of 11456503123542 in words is "eleven trillion, four hundred fifty-six billion, five hundred three million, one hundred twenty-three thousand, five hundred forty-two".