11152789 has 2 divisors, whose sum is σ = 11152790. Its totient is φ = 11152788.

The previous prime is 11152741. The next prime is 11152831. The reversal of 11152789 is 98725111.

It is a happy number.

11152789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 3452164 = 2775^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11152789 - 2⁹ = 11152277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11152189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576394 + 5576395.

It is an arithmetic number, because the mean of its divisors is an integer number (5576395).

Almost surely, 2^11152789 is an apocalyptic number.

It is an amenable number.

11152789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11152789 is an equidigital number, since it uses as much as digits as its factorization.

11152789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 34.

The square root of 11152789 is about 3339.5791651045. The cubic root of 11152789 is about 223.4229740895.

It can be divided in two parts, 111 and 52789, that added together give a square (52900 = 230²).

The spelling of 11152789 in words is "eleven million, one hundred fifty-two thousand, seven hundred eighty-nine".