11909219309284 has 48 divisors (see below), whose sum is σ = 23393055381696. Its totient is φ = 5258178979200.

The previous prime is 11909219309269. The next prime is 11909219309293. The reversal of 11909219309284 is 48290391290911.

11909219309284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17045707 + ... + 17730610.

It is an arithmetic number, because the mean of its divisors is an integer number (487355320452).

Almost surely, 2^{11909219309284} is an apocalyptic number.

It is an amenable number.

11909219309284 is a deficient number, since it is larger than the sum of its proper divisors (11483836072412).

11909219309284 is a wasteful number, since it uses less digits than its factorization.

11909219309284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776556 (or 34776554 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 11909219309284 in words is "eleven trillion, nine hundred nine billion, two hundred nineteen million, three hundred nine thousand, two hundred eighty-four".