11651204241 has 8 divisors (see below), whose sum is σ = 17261043360. Its totient is φ = 7767469476.

The previous prime is 11651204237. The next prime is 11651204249. The reversal of 11651204241 is 14240215611.

11651204241 is a `hidden beast` number, since 1 + 1 + 651 + 2 + 0 + 4 + 2 + 4 + 1 = 666.

11651204241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11651204241 - 2² = 11651204237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 431526083 = 11651204241 / (1 + 1 + 6 + 5 + 1 + 2 + 0 + 4 + 2 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (11651204249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215763015 + ... + 215763068.

It is an arithmetic number, because the mean of its divisors is an integer number (2157630420).

Almost surely, 2^11651204241 is an apocalyptic number.

It is an amenable number.

11651204241 is a deficient number, since it is larger than the sum of its proper divisors (5609839119).

11651204241 is an equidigital number, since it uses as much as digits as its factorization.

11651204241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431526092 (or 431526086 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 11651204241 its reverse (14240215611), we get a palindrome (25891419852).

The spelling of 11651204241 in words is "eleven billion, six hundred fifty-one million, two hundred four thousand, two hundred forty-one".