11081181511411 has 16 divisors (see below), whose sum is σ = 12188767223808. Its totient is φ = 10073553337320.

The previous prime is 11081181511399. The next prime is 11081181511427. The reversal of 11081181511411 is 11411518118011.

11081181511411 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 11081181511411 - 2¹³ = 11081181503219 is a prime.

It is a super-3 number, since 3×11081181511411³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11081181211411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74204526 + ... + 74353708.

It is an arithmetic number, because the mean of its divisors is an integer number (761797951488).

Almost surely, 2^{11081181511411} is an apocalyptic number.

11081181511411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11081181511411 is a deficient number, since it is larger than the sum of its proper divisors (1107585712397).

11081181511411 is an equidigital number, since it uses as much as digits as its factorization.

11081181511411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205023 (or 205001 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 34.

Adding to 11081181511411 its reverse (11411518118011), we get a palindrome (22492699629422).

The spelling of 11081181511411 in words is "eleven trillion, eighty-one billion, one hundred eighty-one million, five hundred eleven thousand, four hundred eleven".