11540055122065 has 4 divisors (see below), whose sum is σ = 13848066146484. Its totient is φ = 9232044097648.

The previous prime is 11540055122059. The next prime is 11540055122083. The reversal of 11540055122065 is 56022155004511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6225868338561 + 5314186783504 = 2495169^2 + 2305252^2 .

It is a cyclic number.

It is not a de Polignac number, because 11540055122065 - 2⁷ = 11540055121937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154005512202 + ... + 1154005512211.

It is an arithmetic number, because the mean of its divisors is an integer number (3462016536621).

Almost surely, 2^{11540055122065} is an apocalyptic number.

It is an amenable number.

11540055122065 is a deficient number, since it is larger than the sum of its proper divisors (2308011024419).

11540055122065 is an equidigital number, since it uses as much as digits as its factorization.

11540055122065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308011024418.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 11540055122065 in words is "eleven trillion, five hundred forty billion, fifty-five million, one hundred twenty-two thousand, sixty-five".