11201389 has 2 divisors, whose sum is σ = 11201390. Its totient is φ = 11201388.

The previous prime is 11201387. The next prime is 11201413. The reversal of 11201389 is 98310211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 736164 = 3235^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201389 - 2¹ = 11201387 is a prime.

It is a super-2 number, since 2×11201389² = 250942231058642, which contains 22 as substring.

Together with 11201387, 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 (11201381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600694 + 5600695.

It is an arithmetic number, because the mean of its divisors is an integer number (5600695).

Almost surely, 2^11201389 is an apocalyptic number.

It is an amenable number.

11201389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201389 is an equidigital number, since it uses as much as digits as its factorization.

11201389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 11201389 is about 3346.8476212699. The cubic root of 11201389 is about 223.7470371943.

The spelling of 11201389 in words is "eleven million, two hundred one thousand, three hundred eighty-nine".