11841485917 has 4 divisors (see below), whose sum is σ = 11841923520. Its totient is φ = 11841048316.

The previous prime is 11841485911. The next prime is 11841485959. The reversal of 11841485917 is 71958414811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71958414811 = 283 ⋅254270017.

It is a cyclic number.

It is not a de Polignac number, because 11841485917 - 2¹¹ = 11841483869 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 (11841485911) 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, 175333 + ... + 233290.

It is an arithmetic number, because the mean of its divisors is an integer number (2960480880).

Almost surely, 2^11841485917 is an apocalyptic number.

It is an amenable number.

11841485917 is a deficient number, since it is larger than the sum of its proper divisors (437603).

11841485917 is an equidigital number, since it uses as much as digits as its factorization.

11841485917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437602.

The product of its digits is 322560, while the sum is 49.

The spelling of 11841485917 in words is "eleven billion, eight hundred forty-one million, four hundred eighty-five thousand, nine hundred seventeen".