11279519870 has 16 divisors (see below), whose sum is σ = 20512448208. Its totient is φ = 4465294080.

The previous prime is 11279519863. The next prime is 11279519903. The reversal of 11279519870 is 7891597211.

It is a happy number.

11279519870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5813216 + ... + 5815155.

It is an arithmetic number, because the mean of its divisors is an integer number (1282028013).

Almost surely, 2^11279519870 is an apocalyptic number.

11279519870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11279519870 is a deficient number, since it is larger than the sum of its proper divisors (9232928338).

11279519870 is a wasteful number, since it uses less digits than its factorization.

11279519870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11628475.

The product of its (nonzero) digits is 317520, while the sum is 50.

The spelling of 11279519870 in words is "eleven billion, two hundred seventy-nine million, five hundred nineteen thousand, eight hundred seventy".