11543454102 has 16 divisors (see below), whose sum is σ = 23710879152. Its totient is φ = 3743822880.

The previous prime is 11543454079. The next prime is 11543454119. The reversal of 11543454102 is 20145434511.

It is a self number, because there is not a number n which added to its sum of digits gives 11543454102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25998549 + ... + 25998992.

It is an arithmetic number, because the mean of its divisors is an integer number (1481929947).

Almost surely, 2^11543454102 is an apocalyptic number.

11543454102 is an abundant number, since it is smaller than the sum of its proper divisors (12167425050).

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

11543454102 is a wasteful number, since it uses less digits than its factorization.

11543454102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51997583.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11543454102 its reverse (20145434511), we get a palindrome (31688888613).

The spelling of 11543454102 in words is "eleven billion, five hundred forty-three million, four hundred fifty-four thousand, one hundred two".