1100113143 has 4 divisors (see below), whose sum is σ = 1466817528. Its totient is φ = 733408760.

The previous prime is 1100113127. The next prime is 1100113169. The reversal of 1100113143 is 3413110011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100113143 - 2⁴ = 1100113127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100113543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183352188 + ... + 183352193.

It is an arithmetic number, because the mean of its divisors is an integer number (366704382).

Almost surely, 2^1100113143 is an apocalyptic number.

1100113143 is a deficient number, since it is larger than the sum of its proper divisors (366704385).

1100113143 is an equidigital number, since it uses as much as digits as its factorization.

1100113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366704384.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1100113143 is about 33167.9535545985. The cubic root of 1100113143 is about 1032.3155067488.

Adding to 1100113143 its reverse (3413110011), we get a palindrome (4513223154).

The spelling of 1100113143 in words is "one billion, one hundred million, one hundred thirteen thousand, one hundred forty-three".