11378005 has 16 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 8706880.

The previous prime is 11377997. The next prime is 11378009. The reversal of 11378005 is 50087311.

It is not a de Polignac number, because 11378005 - 2³ = 11377997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11378009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18696 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (891000).

Almost surely, 2^11378005 is an apocalyptic number.

It is an amenable number.

11378005 is a deficient number, since it is larger than the sum of its proper divisors (2877995).

11378005 is a wasteful number, since it uses less digits than its factorization.

11378005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 11378005 is about 3373.1298522292. The cubic root of 11378005 is about 224.9168746432.

The spelling of 11378005 in words is "eleven million, three hundred seventy-eight thousand, five".