11896155 has 12 divisors (see below), whose sum is σ = 20620080. Its totient is φ = 6344592.

The previous prime is 11896139. The next prime is 11896193. The reversal of 11896155 is 55169811.

It is not a de Polignac number, because 11896155 - 2⁴ = 11896139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132135 + ... + 132224.

It is an arithmetic number, because the mean of its divisors is an integer number (1718340).

Almost surely, 2^11896155 is an apocalyptic number.

11896155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11896155 is a deficient number, since it is larger than the sum of its proper divisors (8723925).

11896155 is a wasteful number, since it uses less digits than its factorization.

11896155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264370 (or 264367 counting only the distinct ones).

The product of its digits is 10800, while the sum is 36.

The square root of 11896155 is about 3449.0803121992. The cubic root of 11896155 is about 228.2805295814.

The spelling of 11896155 in words is "eleven million, eight hundred ninety-six thousand, one hundred fifty-five".