11044155136520 has 64 divisors (see below), whose sum is σ = 27982844720640. Its totient is φ = 3886506201600.

The previous prime is 11044155136499. The next prime is 11044155136571. The reversal of 11044155136520 is 2563155144011.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 404830757 + ... + 404858036.

It is an arithmetic number, because the mean of its divisors is an integer number (437231948760).

Almost surely, 2^{11044155136520} is an apocalyptic number.

11044155136520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11044155136520 is an abundant number, since it is smaller than the sum of its proper divisors (16938689584120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11044155136520 is a wasteful number, since it uses less digits than its factorization.

11044155136520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809688846 (or 809688842 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 11044155136520 in words is "eleven trillion, forty-four billion, one hundred fifty-five million, one hundred thirty-six thousand, five hundred twenty".