11099978 has 8 divisors (see below), whose sum is σ = 16719780. Its totient is φ = 5526720.

The previous prime is 11099951. The next prime is 11099983. The reversal of 11099978 is 87999011.

It can be written as a sum of positive squares in 2 ways, for example, as 9628609 + 1471369 = 3103^2 + 1213^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11033 + ... + 11996.

Almost surely, 2^11099978 is an apocalyptic number.

11099978 is a deficient number, since it is larger than the sum of its proper divisors (5619802).

11099978 is a wasteful number, since it uses less digits than its factorization.

11099978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23272.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 11099978 is about 3331.6629481387. The cubic root of 11099978 is about 223.0697630740.

The spelling of 11099978 in words is "eleven million, ninety-nine thousand, nine hundred seventy-eight".