11478101 has 2 divisors, whose sum is σ = 11478102. Its totient is φ = 11478100.

The previous prime is 11478097. The next prime is 11478143. The reversal of 11478101 is 10187411.

It is a happy number.

11478101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7695076 + 3783025 = 2774^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11478101 - 2² = 11478097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11478161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739050 + 5739051.

It is an arithmetic number, because the mean of its divisors is an integer number (5739051).

Almost surely, 2^11478101 is an apocalyptic number.

It is an amenable number.

11478101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478101 is an equidigital number, since it uses as much as digits as its factorization.

11478101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 11478101 is about 3387.9346215652. The cubic root of 11478101 is about 225.5745054960.

The spelling of 11478101 in words is "eleven million, four hundred seventy-eight thousand, one hundred one".