11055726765 has 12 divisors (see below), whose sum is σ = 19163259804. Its totient is φ = 5896387584.

The previous prime is 11055726751. The next prime is 11055726797. The reversal of 11055726765 is 56762755011.

11055726765 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 572 + 6 + 76 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1962578601 + 9093148164 = 44301^2 + 95358^2 .

It is not a de Polignac number, because 11055726765 - 2¹¹ = 11055724717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 245682817 = 11055726765 / (1 + 1 + 0 + 5 + 5 + 7 + 2 + 6 + 7 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11055726765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122841364 + ... + 122841453.

It is an arithmetic number, because the mean of its divisors is an integer number (1596938317).

Almost surely, 2^11055726765 is an apocalyptic number.

11055726765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11055726765 is a deficient number, since it is larger than the sum of its proper divisors (8107533039).

11055726765 is a wasteful number, since it uses less digits than its factorization.

11055726765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245682828 (or 245682825 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 11055726765 in words is "eleven billion, fifty-five million, seven hundred twenty-six thousand, seven hundred sixty-five".