11922009245 has 8 divisors (see below), whose sum is σ = 14308086240. Its totient is φ = 9536490640.

The previous prime is 11922009241. The next prime is 11922009251. The reversal of 11922009245 is 54290022911.

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

It is not a de Polignac number, because 11922009245 - 2² = 11922009241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11922009241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91091 + ... + 179280.

It is an arithmetic number, because the mean of its divisors is an integer number (1788510780).

Almost surely, 2^11922009245 is an apocalyptic number.

It is an amenable number.

11922009245 is a deficient number, since it is larger than the sum of its proper divisors (2386076995).

11922009245 is an equidigital number, since it uses as much as digits as its factorization.

11922009245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279195.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 11922009245 in words is "eleven billion, nine hundred twenty-two million, nine thousand, two hundred forty-five".