11102102405 has 8 divisors (see below), whose sum is σ = 13339243512. Its totient is φ = 8870534848.

The previous prime is 11102102359. The next prime is 11102102423. The reversal of 11102102405 is 50420120111.

11102102405 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 1162084 + 11100940321 = 1078^2 + 105361^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102102405 is a prime.

It is a super-2 number, since 2×11102102405² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389002 + ... + 1396971.

It is an arithmetic number, because the mean of its divisors is an integer number (1667405439).

Almost surely, 2^11102102405 is an apocalyptic number.

It is an amenable number.

11102102405 is a deficient number, since it is larger than the sum of its proper divisors (2237141107).

11102102405 is an equidigital number, since it uses as much as digits as its factorization.

11102102405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786775.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11102102405 its reverse (50420120111), we get a palindrome (61522222516).

The spelling of 11102102405 in words is "eleven billion, one hundred two million, one hundred two thousand, four hundred five".