11385961 has 2 divisors, whose sum is σ = 11385962. Its totient is φ = 11385960.

The previous prime is 11385953. The next prime is 11385991. The reversal of 11385961 is 16958311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6095961 + 5290000 = 2469^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 11385961 - 2³ = 11385953 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (11385901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692980 + 5692981.

It is an arithmetic number, because the mean of its divisors is an integer number (5692981).

Almost surely, 2^11385961 is an apocalyptic number.

It is an amenable number.

11385961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385961 is an equidigital number, since it uses as much as digits as its factorization.

11385961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 34.

The square root of 11385961 is about 3374.3089662922. The cubic root of 11385961 is about 224.9692863426.

The spelling of 11385961 in words is "eleven million, three hundred eighty-five thousand, nine hundred sixty-one".