11111351105 has 16 divisors (see below), whose sum is σ = 13390565328. Its totient is φ = 8851200000.

The previous prime is 11111351057. The next prime is 11111351123. The reversal of 11111351105 is 50115311111.

It can be written as a sum of positive squares in 8 ways, for example, as 4671449104 + 6439902001 = 68348^2 + 80249^2 .

It is not a de Polignac number, because 11111351105 - 2³² = 6816383809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200395 + ... + 1209615.

It is an arithmetic number, because the mean of its divisors is an integer number (836910333).

Almost surely, 2^11111351105 is an apocalyptic number.

It is an amenable number.

11111351105 is a deficient number, since it is larger than the sum of its proper divisors (2279214223).

11111351105 is an equidigital number, since it uses as much as digits as its factorization.

11111351105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10228.

The product of its (nonzero) digits is 75, while the sum is 20.

Adding to 11111351105 its reverse (50115311111), we get a palindrome (61226662216).

The spelling of 11111351105 in words is "eleven billion, one hundred eleven million, three hundred fifty-one thousand, one hundred five".