11611252435666 has 12 divisors (see below), whose sum is σ = 18859697004042. Its totient is φ = 5359039585536.

The previous prime is 11611252435603. The next prime is 11611252435711. The reversal of 11611252435666 is 66653425211611.

It can be written as a sum of positive squares in 3 ways, for example, as 7309880135041 + 4301372300625 = 2703679^2 + 2073975^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17176408591 + ... + 17176409266.

Almost surely, 2^{11611252435666} is an apocalyptic number.

11611252435666 is a deficient number, since it is larger than the sum of its proper divisors (7248444568376).

11611252435666 is a wasteful number, since it uses less digits than its factorization.

11611252435666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34352817885 (or 34352817872 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The spelling of 11611252435666 in words is "eleven trillion, six hundred eleven billion, two hundred fifty-two million, four hundred thirty-five thousand, six hundred sixty-six".