11113065587521 has 8 divisors (see below), whose sum is σ = 11117109261960. Its totient is φ = 11109022307328.

The previous prime is 11113065587467. The next prime is 11113065587627. The reversal of 11113065587521 is 12578556031111.

It can be written as a sum of positive squares in 4 ways, for example, as 9759600929296 + 1353464658225 = 3124036^2 + 1163385^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11113065587521 - 2²⁹ = 11112528716609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113065587821) 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, 63675145 + ... + 63849433.

It is an arithmetic number, because the mean of its divisors is an integer number (1389638657745).

Almost surely, 2^{11113065587521} is an apocalyptic number.

It is an amenable number.

11113065587521 is a deficient number, since it is larger than the sum of its proper divisors (4043674439).

11113065587521 is a wasteful number, since it uses less digits than its factorization.

11113065587521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197123.

The product of its (nonzero) digits is 252000, while the sum is 46.

The spelling of 11113065587521 in words is "eleven trillion, one hundred thirteen billion, sixty-five million, five hundred eighty-seven thousand, five hundred twenty-one".