11020143 has 8 divisors (see below), whose sum is σ = 14801328. Its totient is φ = 7292864.

The previous prime is 11020129. The next prime is 11020181. The reversal of 11020143 is 34102011.

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 a de Polignac number, because none of the positive numbers 2^k-11020143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020193) 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, 12996 + ... + 13817.

It is an arithmetic number, because the mean of its divisors is an integer number (1850166).

Almost surely, 2^11020143 is an apocalyptic number.

11020143 is a deficient number, since it is larger than the sum of its proper divisors (3781185).

11020143 is a wasteful number, since it uses less digits than its factorization.

11020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26953.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11020143 is about 3319.6600729593. The cubic root of 11020143 is about 222.5336766768.

Adding to 11020143 its reverse (34102011), we get a palindrome (45122154).

The spelling of 11020143 in words is "eleven million, twenty thousand, one hundred forty-three".