11621105 has 8 divisors (see below), whose sum is σ = 14023464. Its totient is φ = 9244800.

The previous prime is 11621039. The next prime is 11621119. The reversal of 11621105 is 50112611.

11621105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13456 + 11607649 = 116^2 + 3407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11621105 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5516 + ... + 7325.

It is an arithmetic number, because the mean of its divisors is an integer number (1752933).

Almost surely, 2^11621105 is an apocalyptic number.

It is an amenable number.

11621105 is a deficient number, since it is larger than the sum of its proper divisors (2402359).

11621105 is a wasteful number, since it uses less digits than its factorization.

11621105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11621105 is about 3408.9741858806. The cubic root of 11621105 is about 226.5074417618.

Adding to 11621105 its reverse (50112611), we get a palindrome (61733716).

The spelling of 11621105 in words is "eleven million, six hundred twenty-one thousand, one hundred five".