11662617445 has 8 divisors (see below), whose sum is σ = 14010508800. Its totient is φ = 9319848720.

The previous prime is 11662617443. The next prime is 11662617469. The reversal of 11662617445 is 54471626611.

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

It is not a de Polignac number, because 11662617445 - 2¹ = 11662617443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662617443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275645 + ... + 1284754.

It is an arithmetic number, because the mean of its divisors is an integer number (1751313600).

Almost surely, 2^11662617445 is an apocalyptic number.

It is an amenable number.

11662617445 is a deficient number, since it is larger than the sum of its proper divisors (2347891355).

11662617445 is an equidigital number, since it uses as much as digits as its factorization.

11662617445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561315.

The product of its digits is 241920, while the sum is 43.

The spelling of 11662617445 in words is "eleven billion, six hundred sixty-two million, six hundred seventeen thousand, four hundred forty-five".