11054025711665 has 4 divisors (see below), whose sum is σ = 13264830854004. Its totient is φ = 8843220569328.

The previous prime is 11054025711649. The next prime is 11054025711749. The reversal of 11054025711665 is 56611752045011.

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 2306367680929 + 8747658030736 = 1518673^2 + 2957644^2 .

It is a cyclic number.

It is not a de Polignac number, because 11054025711665 - 2⁴ = 11054025711649 is a prime.

It is a super-3 number, since 3×11054025711665³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105402571162 + ... + 1105402571171.

It is an arithmetic number, because the mean of its divisors is an integer number (3316207713501).

Almost surely, 2^{11054025711665} is an apocalyptic number.

It is an amenable number.

11054025711665 is a deficient number, since it is larger than the sum of its proper divisors (2210805142339).

11054025711665 is an equidigital number, since it uses as much as digits as its factorization.

11054025711665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210805142338.

The product of its (nonzero) digits is 252000, while the sum is 44.

Adding to 11054025711665 its reverse (56611752045011), we get a palindrome (67665777756676).

The spelling of 11054025711665 in words is "eleven trillion, fifty-four billion, twenty-five million, seven hundred eleven thousand, six hundred sixty-five".