11775378 has 16 divisors (see below), whose sum is σ = 24098976. Its totient is φ = 3833760.

The previous prime is 11775371. The next prime is 11775389. The reversal of 11775378 is 87357711.

It is not an unprimeable number, because it can be changed into a prime (11775371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22563 + ... + 23078.

It is an arithmetic number, because the mean of its divisors is an integer number (1506186).

Almost surely, 2^11775378 is an apocalyptic number.

11775378 is an abundant number, since it is smaller than the sum of its proper divisors (12323598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11775378 is a wasteful number, since it uses less digits than its factorization.

11775378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45689.

The product of its digits is 41160, while the sum is 39.

The square root of 11775378 is about 3431.5270653165. The cubic root of 11775378 is about 227.5053526897.

It can be divided in two parts, 1177 and 5378, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 11775378 in words is "eleven million, seven hundred seventy-five thousand, three hundred seventy-eight".