11449267779 has 8 divisors (see below), whose sum is σ = 16069147840. Its totient is φ = 7231116456.

The previous prime is 11449267769. The next prime is 11449267799. The reversal of 11449267779 is 97776294411.

It is a happy number.

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

It is not a de Polignac number, because 11449267779 - 2¹³ = 11449259587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 200864347 = 11449267779 / (1 + 1 + 4 + 4 + 9 + 2 + 6 + 7 + 7 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11449267769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100432117 + ... + 100432230.

It is an arithmetic number, because the mean of its divisors is an integer number (2008643480).

Almost surely, 2^11449267779 is an apocalyptic number.

11449267779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11449267779 is a deficient number, since it is larger than the sum of its proper divisors (4619880061).

11449267779 is a wasteful number, since it uses less digits than its factorization.

11449267779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200864369.

The product of its digits is 5334336, while the sum is 57.

The spelling of 11449267779 in words is "eleven billion, four hundred forty-nine million, two hundred sixty-seven thousand, seven hundred seventy-nine".