11365121457241 has 4 divisors (see below), whose sum is σ = 11367709737984. Its totient is φ = 11362533176500.

The previous prime is 11365121457229. The next prime is 11365121457257. The reversal of 11365121457241 is 14275412156311.

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 not a de Polignac number, because 11365121457241 - 2⁷ = 11365121457113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11365121457841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294133785 + ... + 1294142566.

It is an arithmetic number, because the mean of its divisors is an integer number (2841927434496).

Almost surely, 2^{11365121457241} is an apocalyptic number.

It is an amenable number.

11365121457241 is a deficient number, since it is larger than the sum of its proper divisors (2588280743).

11365121457241 is an equidigital number, since it uses as much as digits as its factorization.

11365121457241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588280742.

The product of its digits is 201600, while the sum is 43.

The spelling of 11365121457241 in words is "eleven trillion, three hundred sixty-five billion, one hundred twenty-one million, four hundred fifty-seven thousand, two hundred forty-one".