11049609251 has 8 divisors (see below), whose sum is σ = 11308070400. Its totient is φ = 10791216072.

The previous prime is 11049609227. The next prime is 11049609253. The reversal of 11049609251 is 15290694011.

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-11049609251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11049609253) 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, 478886 + ... + 501428.

It is an arithmetic number, because the mean of its divisors is an integer number (1413508800).

Almost surely, 2^11049609251 is an apocalyptic number.

11049609251 is a deficient number, since it is larger than the sum of its proper divisors (258461149).

11049609251 is a wasteful number, since it uses less digits than its factorization.

11049609251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33985.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 11049609251 in words is "eleven billion, forty-nine million, six hundred nine thousand, two hundred fifty-one".