1101143863 has 2 divisors, whose sum is σ = 1101143864. Its totient is φ = 1101143862.

The previous prime is 1101143831. The next prime is 1101143887. The reversal of 1101143863 is 3683411011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101143863 - 2⁵ = 1101143831 is a prime.

It is a super-3 number, since 3×1101143863³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101113863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550571931 + 550571932.

It is an arithmetic number, because the mean of its divisors is an integer number (550571932).

Almost surely, 2^1101143863 is an apocalyptic number.

1101143863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101143863 is an equidigital number, since it uses as much as digits as its factorization.

1101143863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1101143863 is about 33183.4878064377. The cubic root of 1101143863 is about 1032.6378057520.

Adding to 1101143863 its reverse (3683411011), we get a palindrome (4784554874).

The spelling of 1101143863 in words is "one billion, one hundred one million, one hundred forty-three thousand, eight hundred sixty-three".