11380727801 has 4 divisors (see below), whose sum is σ = 11391963492. Its totient is φ = 11369492112.

The previous prime is 11380727797. The next prime is 11380727821. The reversal of 11380727801 is 10872708311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10872708311 = 59077 ⋅184043.

It can be written as a sum of positive squares in 2 ways, for example, as 5691948025 + 5688779776 = 75445^2 + 75424^2 .

It is a cyclic number.

It is not a de Polignac number, because 11380727801 - 2² = 11380727797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380727821) by changing a digit.

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, 5616326 + ... + 5618351.

It is an arithmetic number, because the mean of its divisors is an integer number (2847990873).

Almost surely, 2^11380727801 is an apocalyptic number.

It is an amenable number.

11380727801 is a deficient number, since it is larger than the sum of its proper divisors (11235691).

11380727801 is a wasteful number, since it uses less digits than its factorization.

11380727801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235690.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 11380727801 in words is "eleven billion, three hundred eighty million, seven hundred twenty-seven thousand, eight hundred one".