11019673880 has 16 divisors (see below), whose sum is σ = 24794266320. Its totient is φ = 4407869536.

The previous prime is 11019673877. The next prime is 11019673919. The reversal of 11019673880 is 8837691011.

It is a congruent number.

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, 137745884 + ... + 137745963.

It is an arithmetic number, because the mean of its divisors is an integer number (1549641645).

Almost surely, 2^11019673880 is an apocalyptic number.

11019673880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11019673880 is an abundant number, since it is smaller than the sum of its proper divisors (13774592440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11019673880 is a wasteful number, since it uses less digits than its factorization.

11019673880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275491858 (or 275491854 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 11019673880 in words is "eleven billion, nineteen million, six hundred seventy-three thousand, eight hundred eighty".