11044155136521 has 8 divisors (see below), whose sum is σ = 15858274042240. Its totient is φ = 6796403160912.

The previous prime is 11044155136499. The next prime is 11044155136571. The reversal of 11044155136521 is 12563155144011.

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

It is not a de Polignac number, because 11044155136521 - 2⁹ = 11044155136009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 283183465039 = 11044155136521 / (1 + 1 + 0 + 4 + 4 + 1 + 5 + 5 + 1 + 3 + 6 + 5 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11044155136521.

It is not an unprimeable number, because it can be changed into a prime (11044155136571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141591732481 + ... + 141591732558.

It is an arithmetic number, because the mean of its divisors is an integer number (1982284255280).

Almost surely, 2^{11044155136521} is an apocalyptic number.

It is an amenable number.

11044155136521 is a deficient number, since it is larger than the sum of its proper divisors (4814118905719).

11044155136521 is a wasteful number, since it uses less digits than its factorization.

11044155136521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283183465055.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 11044155136521 in words is "eleven trillion, forty-four billion, one hundred fifty-five million, one hundred thirty-six thousand, five hundred twenty-one".