11155390 has 8 divisors (see below), whose sum is σ = 20079720. Its totient is φ = 4462152.

The previous prime is 11155373. The next prime is 11155399. The reversal of 11155390 is 9355111.

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

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557760 + ... + 557779.

It is an arithmetic number, because the mean of its divisors is an integer number (2509965).

Almost surely, 2^11155390 is an apocalyptic number.

11155390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11155390 is a deficient number, since it is larger than the sum of its proper divisors (8924330).

11155390 is a wasteful number, since it uses less digits than its factorization.

11155390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115546.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 11155390 is about 3339.9685627263. The cubic root of 11155390 is about 223.4403412846.

The spelling of 11155390 in words is "eleven million, one hundred fifty-five thousand, three hundred ninety".