11020111263143 has 4 divisors (see below), whose sum is σ = 11020655943648. Its totient is φ = 11019566582640.

The previous prime is 11020111263121. The next prime is 11020111263149. The reversal of 11020111263143 is 34136211102011.

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 11020111263143 - 2⁸ = 11020111262887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020111263149) 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, 272309903 + ... + 272350368.

It is an arithmetic number, because the mean of its divisors is an integer number (2755163985912).

Almost surely, 2^{11020111263143} is an apocalyptic number.

11020111263143 is a deficient number, since it is larger than the sum of its proper divisors (544680505).

11020111263143 is an equidigital number, since it uses as much as digits as its factorization.

11020111263143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544680504.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 11020111263143 its reverse (34136211102011), we get a palindrome (45156322365154).

The spelling of 11020111263143 in words is "eleven trillion, twenty billion, one hundred eleven million, two hundred sixty-three thousand, one hundred forty-three".