11401135666 has 4 divisors (see below), whose sum is σ = 17101703502. Its totient is φ = 5700567832.

The previous prime is 11401135619. The next prime is 11401135679. The reversal of 11401135666 is 66653110411.

11401135666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8097300225 + 3303835441 = 89985^2 + 57479^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850283915 + ... + 2850283918.

Almost surely, 2^11401135666 is an apocalyptic number.

11401135666 is a deficient number, since it is larger than the sum of its proper divisors (5700567836).

11401135666 is an equidigital number, since it uses as much as digits as its factorization.

11401135666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700567835.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11401135666 in words is "eleven billion, four hundred one million, one hundred thirty-five thousand, six hundred sixty-six".