11301989 has 2 divisors, whose sum is σ = 11301990. Its totient is φ = 11301988.

The previous prime is 11301973. The next prime is 11302003. The reversal of 11301989 is 98910311.

11301989 is digitally balanced in base 2 and base 3, because in such bases 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., 8025889 + 3276100 = 2833^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 11301989 - 2⁴ = 11301973 is a prime.

It is a super-2 number, since 2×11301989² = 255469910712242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11301919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650994 + 5650995.

It is an arithmetic number, because the mean of its divisors is an integer number (5650995).

Almost surely, 2^11301989 is an apocalyptic number.

It is an amenable number.

11301989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301989 is an equidigital number, since it uses as much as digits as its factorization.

11301989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11301989 is about 3361.8430956843. The cubic root of 11301989 is about 224.4148681106.

The spelling of 11301989 in words is "eleven million, three hundred one thousand, nine hundred eighty-nine".