11156664241 has 8 divisors (see below), whose sum is σ = 11332016640. Its totient is φ = 10981920672.

The previous prime is 11156664217. The next prime is 11156664289. The reversal of 11156664241 is 14246665111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11156664241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11156664241.

It is not an unprimeable number, because it can be changed into a prime (11156664941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115201 + ... + 188638.

It is an arithmetic number, because the mean of its divisors is an integer number (1416502080).

Almost surely, 2^11156664241 is an apocalyptic number.

It is an amenable number.

11156664241 is a deficient number, since it is larger than the sum of its proper divisors (175352399).

11156664241 is an equidigital number, since it uses as much as digits as its factorization.

11156664241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304415.

The product of its digits is 34560, while the sum is 37.

The spelling of 11156664241 in words is "eleven billion, one hundred fifty-six million, six hundred sixty-four thousand, two hundred forty-one".