11955135 has 8 divisors (see below), whose sum is σ = 19128240. Its totient is φ = 6376064.

The previous prime is 11955133. The next prime is 11955173. The reversal of 11955135 is 53155911.

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 11955135 - 2¹ = 11955133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11955133) by changing a digit.

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, 398490 + ... + 398519.

It is an arithmetic number, because the mean of its divisors is an integer number (2391030).

Almost surely, 2^11955135 is an apocalyptic number.

11955135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11955135 is a deficient number, since it is larger than the sum of its proper divisors (7173105).

11955135 is an equidigital number, since it uses as much as digits as its factorization.

11955135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797017.

The product of its digits is 3375, while the sum is 30.

The square root of 11955135 is about 3457.6198460791. The cubic root of 11955135 is about 228.6571721652.

It can be divided in two parts, 11955 and 135, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 11955135 in words is "eleven million, nine hundred fifty-five thousand, one hundred thirty-five".