11715105 has 8 divisors (see below), whose sum is σ = 18744192. Its totient is φ = 6248048.

The previous prime is 11715097. The next prime is 11715107. The reversal of 11715105 is 50151711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11715105 - 2³ = 11715097 is a prime.

It is a super-2 number, since 2×11715105² = 274487370322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11715107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390489 + ... + 390518.

It is an arithmetic number, because the mean of its divisors is an integer number (2343024).

Almost surely, 2^11715105 is an apocalyptic number.

11715105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11715105 is a deficient number, since it is larger than the sum of its proper divisors (7029087).

11715105 is an equidigital number, since it uses as much as digits as its factorization.

11715105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781015.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 11715105 is about 3422.7335566766. The cubic root of 11715105 is about 227.1165217791.

Adding to 11715105 its reverse (50151711), we get a palindrome (61866816).

The spelling of 11715105 in words is "eleven million, seven hundred fifteen thousand, one hundred five".