11011011001011 has 24 divisors (see below), whose sum is σ = 18177025907040. Its totient is φ = 6291965143296.

The previous prime is 11011011001009. The next prime is 11011011001013. The reversal of 11011011001011 is 11010011011011.

11011011001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11011011001009) and next prime (11011011001013).

It is not a de Polignac number, because 11011011001011 - 2¹ = 11011011001009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11011011000984 and 11011011001002.

It is not an unprimeable number, because it can be changed into a prime (11011011001013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10977505 + ... + 11938493.

It is an arithmetic number, because the mean of its divisors is an integer number (757376079460).

Almost surely, 2^{11011011001011} is an apocalyptic number.

11011011001011 is a deficient number, since it is larger than the sum of its proper divisors (7166014906029).

11011011001011 is a wasteful number, since it uses less digits than its factorization.

11011011001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142875 (or 1142872 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11011011001011 its reverse (11010011011011), we get a palindrome (22021022012022).

It can be divided in two parts, 1101 and 1011001011, that multiplied together give a palindrome (1113112113111).

The spelling of 11011011001011 in words is "eleven trillion, eleven billion, eleven million, one thousand, eleven".