11543112102 has 16 divisors (see below), whose sum is σ = 23098612032. Its totient is φ = 3845639400.

The previous prime is 11543112089. The next prime is 11543112109. The reversal of 11543112102 is 20121134511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543112109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504024 + ... + 526427.

It is an arithmetic number, because the mean of its divisors is an integer number (1443663252).

Almost surely, 2^11543112102 is an apocalyptic number.

11543112102 is an abundant number, since it is smaller than the sum of its proper divisors (11555499930).

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

11543112102 is a wasteful number, since it uses less digits than its factorization.

11543112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032323.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11543112102 its reverse (20121134511), we get a palindrome (31664246613).

The spelling of 11543112102 in words is "eleven billion, five hundred forty-three million, one hundred twelve thousand, one hundred two".