11124610649 has 4 divisors (see below), whose sum is σ = 11125255860. Its totient is φ = 11123965440.

The previous prime is 11124610643. The next prime is 11124610663. The reversal of 11124610649 is 94601642111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6873570649 + 4251040000 = 82907^2 + 65200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11124610649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124610643) 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, 296012 + ... + 331469.

It is an arithmetic number, because the mean of its divisors is an integer number (2781313965).

Almost surely, 2^11124610649 is an apocalyptic number.

It is an amenable number.

11124610649 is a deficient number, since it is larger than the sum of its proper divisors (645211).

11124610649 is an equidigital number, since it uses as much as digits as its factorization.

11124610649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645210.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 11124610649 in words is "eleven billion, one hundred twenty-four million, six hundred ten thousand, six hundred forty-nine".