11280472918 has 32 divisors (see below), whose sum is σ = 19889452800. Its totient is φ = 4730547360.

The previous prime is 11280472837. The next prime is 11280472993. The reversal of 11280472918 is 81927408211.

11280472918 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 15 ways as a sum of consecutive naturals, for example, 587433 + ... + 606331.

It is an arithmetic number, because the mean of its divisors is an integer number (621545400).

Almost surely, 2^11280472918 is an apocalyptic number.

11280472918 is a deficient number, since it is larger than the sum of its proper divisors (8608979882).

11280472918 is a wasteful number, since it uses less digits than its factorization.

11280472918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 11280472918 in words is "eleven billion, two hundred eighty million, four hundred seventy-two thousand, nine hundred eighteen".