11001155656159 has 16 divisors (see below), whose sum is σ = 11428777451520. Its totient is φ = 10581447824640.

The previous prime is 11001155656147. The next prime is 11001155656199. The reversal of 11001155656159 is 95165655110011.

It is a cyclic number.

It is not a de Polignac number, because 11001155656159 - 2⁷ = 11001155656031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001155656199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8133282 + ... + 9388960.

It is an arithmetic number, because the mean of its divisors is an integer number (714298590720).

Almost surely, 2^{11001155656159} is an apocalyptic number.

11001155656159 is a deficient number, since it is larger than the sum of its proper divisors (427621795361).

11001155656159 is a wasteful number, since it uses less digits than its factorization.

11001155656159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258830.

The product of its (nonzero) digits is 202500, while the sum is 46.

The spelling of 11001155656159 in words is "eleven trillion, one billion, one hundred fifty-five million, six hundred fifty-six thousand, one hundred fifty-nine".