11101449885 has 8 divisors (see below), whose sum is σ = 17762319840. Its totient is φ = 5920773264.

The previous prime is 11101449881. The next prime is 11101449937. The reversal of 11101449885 is 58894410111.

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

It is not a de Polignac number, because 11101449885 - 2² = 11101449881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101449881) 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, 370048315 + ... + 370048344.

It is an arithmetic number, because the mean of its divisors is an integer number (2220289980).

Almost surely, 2^11101449885 is an apocalyptic number.

11101449885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11101449885 is a deficient number, since it is larger than the sum of its proper divisors (6660869955).

11101449885 is an equidigital number, since it uses as much as digits as its factorization.

11101449885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740096667.

The product of its (nonzero) digits is 46080, while the sum is 42.

Adding to 11101449885 its reverse (58894410111), we get a palindrome (69995859996).

The spelling of 11101449885 in words is "eleven billion, one hundred one million, four hundred forty-nine thousand, eight hundred eighty-five".