11013311441 has 16 divisors (see below), whose sum is σ = 12436021248. Its totient is φ = 9662619600.

The previous prime is 11013311431. The next prime is 11013311443. The reversal of 11013311441 is 14411331011.

It is a cyclic number.

It is not a de Polignac number, because 11013311441 - 2²² = 11009117137 is a prime.

It is a super-2 number, since 2×11013311441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013311443) 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, 81146 + ... + 169148.

It is an arithmetic number, because the mean of its divisors is an integer number (777251328).

Almost surely, 2^11013311441 is an apocalyptic number.

11013311441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11013311441 is a deficient number, since it is larger than the sum of its proper divisors (1422709807).

11013311441 is a wasteful number, since it uses less digits than its factorization.

11013311441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88412.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11013311441 its reverse (14411331011), we get a palindrome (25424642452).

The spelling of 11013311441 in words is "eleven billion, thirteen million, three hundred eleven thousand, four hundred forty-one".