1120111012543 has 2 divisors, whose sum is σ = 1120111012544. Its totient is φ = 1120111012542.

The previous prime is 1120111012511. The next prime is 1120111012567. The reversal of 1120111012543 is 3452101110211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120111012543 - 2⁵ = 1120111012511 is a prime.

It is a super-3 number, since 3×1120111012543³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120111012583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560055506271 + 560055506272.

It is an arithmetic number, because the mean of its divisors is an integer number (560055506272).

Almost surely, 2^{1120111012543} is an apocalyptic number.

1120111012543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120111012543 is an equidigital number, since it uses as much as digits as its factorization.

1120111012543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1120111012543 its reverse (3452101110211), we get a palindrome (4572212122754).

The spelling of 1120111012543 in words is "one trillion, one hundred twenty billion, one hundred eleven million, twelve thousand, five hundred forty-three".