11001001010111 has 8 divisors (see below), whose sum is σ = 12582852701184. Its totient is φ = 9421719348600.

The previous prime is 11001001010107. The next prime is 11001001010123. The reversal of 11001001010111 is 11101010010011.

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

It is a cyclic number.

It is not a de Polignac number, because 11001001010111 - 2² = 11001001010107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001001010141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642498215 + ... + 642515336.

It is an arithmetic number, because the mean of its divisors is an integer number (1572856587648).

Almost surely, 2^{11001001010111} is an apocalyptic number.

11001001010111 is a deficient number, since it is larger than the sum of its proper divisors (1581851691073).

11001001010111 is a wasteful number, since it uses less digits than its factorization.

11001001010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285014781.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11001001010111 its reverse (11101010010011), we get a palindrome (22102011020122).

The spelling of 11001001010111 in words is "eleven trillion, one billion, one million, ten thousand, one hundred eleven".