115543054111 has 8 divisors (see below), whose sum is σ = 119155554000. Its totient is φ = 111968381760.

The previous prime is 115543054093. The next prime is 115543054117. The reversal of 115543054111 is 111450345511.

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

It is a cyclic number.

It is not a de Polignac number, because 115543054111 - 2⁵ = 115543054079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115543054117) 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 7 ways as a sum of consecutive naturals, for example, 9450681 + ... + 9462898.

It is an arithmetic number, because the mean of its divisors is an integer number (14894444250).

Almost surely, 2^115543054111 is an apocalyptic number.

115543054111 is a deficient number, since it is larger than the sum of its proper divisors (3612499889).

115543054111 is a wasteful number, since it uses less digits than its factorization.

115543054111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18913769.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 115543054111 its reverse (111450345511), we get a palindrome (226993399622).

The spelling of 115543054111 in words is "one hundred fifteen billion, five hundred forty-three million, fifty-four thousand, one hundred eleven".