11000099978 has 8 divisors (see below), whose sum is σ = 18857314272. Its totient is φ = 4714328556.

The previous prime is 11000099969. The next prime is 11000099993. The reversal of 11000099978 is 87999000011.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392860700 + ... + 392860727.

It is an arithmetic number, because the mean of its divisors is an integer number (2357164284).

Almost surely, 2^11000099978 is an apocalyptic number.

11000099978 is a deficient number, since it is larger than the sum of its proper divisors (7857214294).

11000099978 is an equidigital number, since it uses as much as digits as its factorization.

11000099978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785721436.

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

Adding to 11000099978 its reverse (87999000011), we get a palindrome (98999099989).

The spelling of 11000099978 in words is "eleven billion, ninety-nine thousand, nine hundred seventy-eight".