11135777789 has 2 divisors, whose sum is σ = 11135777790. Its totient is φ = 11135777788.

The previous prime is 11135777777. The next prime is 11135777833. The reversal of 11135777789 is 98777753111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6202822564 + 4932955225 = 78758^2 + 70235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11135777789 - 2⁸ = 11135777533 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11135777759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567888894 + 5567888895.

It is an arithmetic number, because the mean of its divisors is an integer number (5567888895).

Almost surely, 2^11135777789 is an apocalyptic number.

It is an amenable number.

11135777789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135777789 is an equidigital number, since it uses as much as digits as its factorization.

11135777789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2593080, while the sum is 56.

The spelling of 11135777789 in words is "eleven billion, one hundred thirty-five million, seven hundred seventy-seven thousand, seven hundred eighty-nine".