11011001001101 has 8 divisors (see below), whose sum is σ = 11590758981600. Its totient is φ = 10431266181840.

The previous prime is 11011001001079. The next prime is 11011001001137. The reversal of 11011001001101 is 10110010011011.

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-11011001001101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011001000101) 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, 4810211 + ... + 6720128.

It is an arithmetic number, because the mean of its divisors is an integer number (1448844872700).

Almost surely, 2^{11011001001101} is an apocalyptic number.

It is an amenable number.

11011001001101 is a deficient number, since it is larger than the sum of its proper divisors (579757980499).

11011001001101 is a wasteful number, since it uses less digits than its factorization.

11011001001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11580619.

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

Adding to 11011001001101 its reverse (10110010011011), we get a palindrome (21121011012112).

The spelling of 11011001001101 in words is "eleven trillion, eleven billion, one million, one thousand, one hundred one".