11927200388837 has 4 divisors (see below), whose sum is σ = 12218107715436. Its totient is φ = 11636293062240.

The previous prime is 11927200388819. The next prime is 11927200388839. The reversal of 11927200388837 is 73888300272911.

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 6605717285281 + 5321483103556 = 2570159^2 + 2306834^2 .

It is a cyclic number.

It is not a de Polignac number, because 11927200388837 - 2¹⁰ = 11927200387813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927200388839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145453663238 + ... + 145453663319.

It is an arithmetic number, because the mean of its divisors is an integer number (3054526928859).

Almost surely, 2^{11927200388837} is an apocalyptic number.

It is an amenable number.

11927200388837 is a deficient number, since it is larger than the sum of its proper divisors (290907326599).

11927200388837 is an equidigital number, since it uses as much as digits as its factorization.

11927200388837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290907326598.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 11927200388837 in words is "eleven trillion, nine hundred twenty-seven billion, two hundred million, three hundred eighty-eight thousand, eight hundred thirty-seven".