1101140543 has 8 divisors (see below), whose sum is σ = 1110569856. Its totient is φ = 1091727000.

The previous prime is 1101140533. The next prime is 1101140549. The reversal of 1101140543 is 3450411011.

It is a happy number.

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 1101140543 - 2¹² = 1101136447 is a prime.

It is a super-3 number, since 3×1101140543³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101140549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167468 + ... + 173918.

It is an arithmetic number, because the mean of its divisors is an integer number (138821232).

Almost surely, 2^1101140543 is an apocalyptic number.

1101140543 is a deficient number, since it is larger than the sum of its proper divisors (9429313).

1101140543 is a wasteful number, since it uses less digits than its factorization.

1101140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1101140543 is about 33183.4377815199. The cubic root of 1101140543 is about 1032.6367679339.

Adding to 1101140543 its reverse (3450411011), we get a palindrome (4551551554).

The spelling of 1101140543 in words is "one billion, one hundred one million, one hundred forty thousand, five hundred forty-three".