1111042013789 has 2 divisors, whose sum is σ = 1111042013790. Its totient is φ = 1111042013788.

The previous prime is 1111042013779. The next prime is 1111042013813. The reversal of 1111042013789 is 9873102401111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939848813764 + 171193200025 = 969458^2 + 413755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111042013789 - 2¹⁶ = 1111041948253 is a prime.

It is a super-2 number, since 2×1111042013789² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111042013779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555521006894 + 555521006895.

It is an arithmetic number, because the mean of its divisors is an integer number (555521006895).

Almost surely, 2^{1111042013789} is an apocalyptic number.

It is an amenable number.

1111042013789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111042013789 is an equidigital number, since it uses as much as digits as its factorization.

1111042013789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 1111042013789 in words is "one trillion, one hundred eleven billion, forty-two million, thirteen thousand, seven hundred eighty-nine".