11318461649 has 8 divisors (see below), whose sum is σ = 12773185920. Its totient is φ = 9934699600.

The previous prime is 11318461643. The next prime is 11318461669. The reversal of 11318461649 is 94616481311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11318461649 - 2¹⁶ = 11318396113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11318461643) 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, 17740217 + ... + 17740854.

It is an arithmetic number, because the mean of its divisors is an integer number (1596648240).

Almost surely, 2^11318461649 is an apocalyptic number.

It is an amenable number.

11318461649 is a deficient number, since it is larger than the sum of its proper divisors (1454724271).

11318461649 is a wasteful number, since it uses less digits than its factorization.

11318461649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35481111.

The product of its digits is 124416, while the sum is 44.

The spelling of 11318461649 in words is "eleven billion, three hundred eighteen million, four hundred sixty-one thousand, six hundred forty-nine".