11401066 has 4 divisors (see below), whose sum is σ = 17101602. Its totient is φ = 5700532.

The previous prime is 11401057. The next prime is 11401079. The reversal of 11401066 is 66010411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66010411 = 3449 ⋅19139.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 77841 = 3365^2 + 279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850265 + ... + 2850268.

Almost surely, 2^11401066 is an apocalyptic number.

11401066 is a deficient number, since it is larger than the sum of its proper divisors (5700536).

11401066 is an equidigital number, since it uses as much as digits as its factorization.

11401066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700535.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11401066 is about 3376.5464605126. The cubic root of 11401066 is about 225.0687263305.

Adding to 11401066 its reverse (66010411), we get a palindrome (77411477).

The spelling of 11401066 in words is "eleven million, four hundred one thousand, sixty-six".