11319155 has 12 divisors (see below), whose sum is σ = 14337792. Its totient is φ = 8577360.

The previous prime is 11319137. The next prime is 11319163. The reversal of 11319155 is 55191311.

It is not a de Polignac number, because 11319155 - 2²² = 7124851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1331 + ... + 4940.

It is an arithmetic number, because the mean of its divisors is an integer number (1194816).

Almost surely, 2^11319155 is an apocalyptic number.

11319155 is a deficient number, since it is larger than the sum of its proper divisors (3018637).

11319155 is an equidigital number, since it uses as much as digits as its factorization.

11319155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6295 counting only the distinct ones).

The product of its digits is 675, while the sum is 26.

The square root of 11319155 is about 3364.3951908181. The cubic root of 11319155 is about 224.5284279720.

The spelling of 11319155 in words is "eleven million, three hundred nineteen thousand, one hundred fifty-five".