11638483201 has 4 divisors (see below), whose sum is σ = 11651012100. Its totient is φ = 11625954304.

The previous prime is 11638483189. The next prime is 11638483217. The reversal of 11638483201 is 10238483611.

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 2825028801 + 8813454400 = 53151^2 + 93880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11638483201 - 2¹⁷ = 11638352129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11638483291) 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, 6263056 + ... + 6264913.

It is an arithmetic number, because the mean of its divisors is an integer number (2912753025).

Almost surely, 2^11638483201 is an apocalyptic number.

It is an amenable number.

11638483201 is a deficient number, since it is larger than the sum of its proper divisors (12528899).

11638483201 is an equidigital number, since it uses as much as digits as its factorization.

11638483201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528898.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 11638483201 in words is "eleven billion, six hundred thirty-eight million, four hundred eighty-three thousand, two hundred one".