11144678901 has 32 divisors (see below), whose sum is σ = 15517716480. Its totient is φ = 7106668800.

The previous prime is 11144678891. The next prime is 11144678929. The reversal of 11144678901 is 10987644111.

11144678901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11144678901 - 2²³ = 11136290293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144678981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402006 + ... + 4404536.

It is an arithmetic number, because the mean of its divisors is an integer number (484928640).

Almost surely, 2^11144678901 is an apocalyptic number.

It is an amenable number.

11144678901 is a deficient number, since it is larger than the sum of its proper divisors (4373037579).

11144678901 is a wasteful number, since it uses less digits than its factorization.

11144678901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 11144678901 in words is "eleven billion, one hundred forty-four million, six hundred seventy-eight thousand, nine hundred one".