11379555 has 64 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 5391360.

The previous prime is 11379553. The next prime is 11379559. The reversal of 11379555 is 55597311.

It is not a de Polignac number, because 11379555 - 2¹ = 11379553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11379551) 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 63 ways as a sum of consecutive naturals, for example, 117267 + ... + 117363.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^11379555 is an apocalyptic number.

11379555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11379555 is a deficient number, since it is larger than the sum of its proper divisors (11199645).

11379555 is a wasteful number, since it uses less digits than its factorization.

11379555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 11379555 is about 3373.3596013470. The cubic root of 11379555 is about 224.9270874860.

The spelling of 11379555 in words is "eleven million, three hundred seventy-nine thousand, five hundred fifty-five".