11351121105 has 16 divisors (see below), whose sum is σ = 18548216064. Its totient is φ = 5925123840.

The previous prime is 11351121091. The next prime is 11351121127. The reversal of 11351121105 is 50112115311.

It is not a de Polignac number, because 11351121105 - 2⁵ = 11351121073 is a prime.

It is a super-3 number, since 3×11351121105³ (a number of 31 digits) contains 333 as substring.

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, 8049736 + ... + 8051145.

It is an arithmetic number, because the mean of its divisors is an integer number (1159263504).

Almost surely, 2^11351121105 is an apocalyptic number.

11351121105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11351121105 is a deficient number, since it is larger than the sum of its proper divisors (7197094959).

11351121105 is a wasteful number, since it uses less digits than its factorization.

11351121105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100936.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 11351121105 its reverse (50112115311), we get a palindrome (61463236416).

The spelling of 11351121105 in words is "eleven billion, three hundred fifty-one million, one hundred twenty-one thousand, one hundred five".