11089501 has 2 divisors, whose sum is σ = 11089502. Its totient is φ = 11089500.

The previous prime is 11089499. The next prime is 11089511. The reversal of 11089501 is 10598011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11062276 + 27225 = 3326^2 + 165^2 .

It is an emirp because it is prime and its reverse (10598011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11089501 - 2¹ = 11089499 is a prime.

Together with 11089499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11089511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544750 + 5544751.

It is an arithmetic number, because the mean of its divisors is an integer number (5544751).

Almost surely, 2^11089501 is an apocalyptic number.

It is an amenable number.

11089501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089501 is an equidigital number, since it uses as much as digits as its factorization.

11089501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 11089501 is about 3330.0902390176. The cubic root of 11089501 is about 222.9995576013. Note that the first 3 decimals are identical.

It can be divided in two parts, 1108 and 9501, that added together give a square (10609 = 103²).

The spelling of 11089501 in words is "eleven million, eighty-nine thousand, five hundred one".