11054641265 has 4 divisors (see below), whose sum is σ = 13265569524. Its totient is φ = 8843713008.

The previous prime is 11054641253. The next prime is 11054641309. The reversal of 11054641265 is 56214645011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56214645011 = 7 ⋅8030663573.

It can be written as a sum of positive squares in 2 ways, for example, as 6398080144 + 4656561121 = 79988^2 + 68239^2 .

It is a cyclic number.

It is not a de Polignac number, because 11054641265 - 2⁴ = 11054641249 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, 1105464122 + ... + 1105464131.

It is an arithmetic number, because the mean of its divisors is an integer number (3316392381).

Almost surely, 2^11054641265 is an apocalyptic number.

It is an amenable number.

11054641265 is a deficient number, since it is larger than the sum of its proper divisors (2210928259).

11054641265 is an equidigital number, since it uses as much as digits as its factorization.

11054641265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210928258.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 11054641265 in words is "eleven billion, fifty-four million, six hundred forty-one thousand, two hundred sixty-five".