11057407666 has 4 divisors (see below), whose sum is σ = 16586111502. Its totient is φ = 5528703832.

The previous prime is 11057407591. The next prime is 11057407687. The reversal of 11057407666 is 66670475011.

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., 9471377041 + 1586030625 = 97321^2 + 39825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764351915 + ... + 2764351918.

Almost surely, 2^11057407666 is an apocalyptic number.

11057407666 is a deficient number, since it is larger than the sum of its proper divisors (5528703836).

11057407666 is an equidigital number, since it uses as much as digits as its factorization.

11057407666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528703835.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 11057407666 in words is "eleven billion, fifty-seven million, four hundred seven thousand, six hundred sixty-six".