11351402666 has 8 divisors (see below), whose sum is σ = 17057674980. Its totient is φ = 5665511008.

The previous prime is 11351402659. The next prime is 11351402717. The reversal of 11351402666 is 66620415311.

It can be written as a sum of positive squares in 2 ways, for example, as 9095627641 + 2255775025 = 95371^2 + 47495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093771 + ... + 5095998.

Almost surely, 2^11351402666 is an apocalyptic number.

11351402666 is a deficient number, since it is larger than the sum of its proper divisors (5706272314).

11351402666 is a wasteful number, since it uses less digits than its factorization.

11351402666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190328.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 11351402666 its reverse (66620415311), we get a palindrome (77971817977).

The spelling of 11351402666 in words is "eleven billion, three hundred fifty-one million, four hundred two thousand, six hundred sixty-six".