11827441201 has 4 divisors (see below), whose sum is σ = 12147101812. Its totient is φ = 11507780592.

The previous prime is 11827441187. The next prime is 11827441217. The reversal of 11827441201 is 10214472811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10214472811 = 4931 ⋅2071481.

It can be written as a sum of positive squares in 2 ways, for example, as 8038915600 + 3788525601 = 89660^2 + 61551^2 .

It is a cyclic number.

It is not a de Polignac number, because 11827441201 - 2¹⁵ = 11827408433 is a prime.

It is a super-2 number, since 2×11827441201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11827441261) 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, 159830250 + ... + 159830323.

It is an arithmetic number, because the mean of its divisors is an integer number (3036775453).

Almost surely, 2^11827441201 is an apocalyptic number.

It is an amenable number.

11827441201 is a deficient number, since it is larger than the sum of its proper divisors (319660611).

11827441201 is an equidigital number, since it uses as much as digits as its factorization.

11827441201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319660610.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 11827441201 in words is "eleven billion, eight hundred twenty-seven million, four hundred forty-one thousand, two hundred one".