11542345143 has 16 divisors (see below), whose sum is σ = 18622944000. Its totient is φ = 6207647616.

The previous prime is 11542345019. The next prime is 11542345159. The reversal of 11542345143 is 34154324511.

It is not a de Polignac number, because 11542345143 - 2¹² = 11542341047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542345163) 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 15 ways as a sum of consecutive naturals, for example, 16165393 + ... + 16166106.

It is an arithmetic number, because the mean of its divisors is an integer number (1163934000).

Almost surely, 2^11542345143 is an apocalyptic number.

11542345143 is a deficient number, since it is larger than the sum of its proper divisors (7080598857).

11542345143 is a wasteful number, since it uses less digits than its factorization.

11542345143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32331526.

The product of its digits is 28800, while the sum is 33.

Adding to 11542345143 its reverse (34154324511), we get a palindrome (45696669654).

The spelling of 11542345143 in words is "eleven billion, five hundred forty-two million, three hundred forty-five thousand, one hundred forty-three".