1131042033543 has 16 divisors (see below), whose sum is σ = 1529631366912. Its totient is φ = 743316600000.

The previous prime is 1131042033523. The next prime is 1131042033587. The reversal of 1131042033543 is 3453302401311.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1131042033543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131042033543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131042033523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9470358 + ... + 9589043.

It is an arithmetic number, because the mean of its divisors is an integer number (95601960432).

Almost surely, 2^{1131042033543} is an apocalyptic number.

1131042033543 is a deficient number, since it is larger than the sum of its proper divisors (398589333369).

1131042033543 is a wasteful number, since it uses less digits than its factorization.

1131042033543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19059686.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1131042033543 its reverse (3453302401311), we get a palindrome (4584344434854).

The spelling of 1131042033543 in words is "one trillion, one hundred thirty-one billion, forty-two million, thirty-three thousand, five hundred forty-three".