11013442011 has 48 divisors (see below), whose sum is σ = 18794280960. Its totient is φ = 6126816960.

The previous prime is 11013442003. The next prime is 11013442051. The reversal of 11013442011 is 11024431011.

11013442011 is a `hidden beast` number, since 110 + 134 + 420 + 1 + 1 = 666.

It is not a de Polignac number, because 11013442011 - 2³ = 11013442003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11013442051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206470 + ... + 254276.

It is an arithmetic number, because the mean of its divisors is an integer number (391547520).

Almost surely, 2^11013442011 is an apocalyptic number.

11013442011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11013442011 is a deficient number, since it is larger than the sum of its proper divisors (7780838949).

11013442011 is a wasteful number, since it uses less digits than its factorization.

11013442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48016 (or 48013 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11013442011 its reverse (11024431011), we get a palindrome (22037873022).

It can be divided in two parts, 1101344 and 2011, that added together give a triangular number (1103355 = T₁₄₈₅).

The spelling of 11013442011 in words is "eleven billion, thirteen million, four hundred forty-two thousand, eleven".