11068432221637 has 32 divisors (see below), whose sum is σ = 13133349476352. Its totient is φ = 9130310362944.

The previous prime is 11068432221601. The next prime is 11068432221653. The reversal of 11068432221637 is 73612223486011.

It is a de Polignac number, because none of the positive numbers 2^k-11068432221637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11068432221667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17508888 + ... + 18130030.

It is an arithmetic number, because the mean of its divisors is an integer number (410417171136).

Almost surely, 2^{11068432221637} is an apocalyptic number.

It is an amenable number.

11068432221637 is a deficient number, since it is larger than the sum of its proper divisors (2064917254715).

11068432221637 is a wasteful number, since it uses less digits than its factorization.

11068432221637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621937.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 11068432221637 in words is "eleven trillion, sixty-eight billion, four hundred thirty-two million, two hundred twenty-one thousand, six hundred thirty-seven".