11550240540641 has 4 divisors (see below), whose sum is σ = 12600262407984. Its totient is φ = 10500218673300.

The previous prime is 11550240540581. The next prime is 11550240540661. The reversal of 11550240540641 is 14604504205511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11550240540641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11550240540595 and 11550240540604.

It is not an unprimeable number, because it can be changed into a prime (11550240540661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525010933655 + ... + 525010933676.

It is an arithmetic number, because the mean of its divisors is an integer number (3150065601996).

Almost surely, 2^{11550240540641} is an apocalyptic number.

11550240540641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11550240540641 is a deficient number, since it is larger than the sum of its proper divisors (1050021867343).

11550240540641 is a wasteful number, since it uses less digits than its factorization.

11550240540641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050021867342.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 11550240540641 in words is "eleven trillion, five hundred fifty billion, two hundred forty million, five hundred forty thousand, six hundred forty-one".