11543234061 has 12 divisors (see below), whose sum is σ = 15551322432. Its totient is φ = 7616135808.

The previous prime is 11543233973. The next prime is 11543234083. The reversal of 11543234061 is 16043234511.

It is not a de Polignac number, because 11543234061 - 2¹⁸ = 11542971917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543234161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176245 + ... + 232698.

It is an arithmetic number, because the mean of its divisors is an integer number (1295943536).

Almost surely, 2^11543234061 is an apocalyptic number.

It is an amenable number.

11543234061 is a deficient number, since it is larger than the sum of its proper divisors (4008088371).

11543234061 is an frugal number, since it uses more digits than its factorization.

11543234061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409140 (or 409043 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 11543234061 its reverse (16043234511), we get a palindrome (27586468572).

The spelling of 11543234061 in words is "eleven billion, five hundred forty-three million, two hundred thirty-four thousand, sixty-one".