216445225411 has 16 divisors (see below), whose sum is σ = 241259765760. Its totient is φ = 192975004800.

The previous prime is 216445225397. The next prime is 216445225429. The reversal of 216445225411 is 114522544612.

It is not a de Polignac number, because 216445225411 - 2¹¹ = 216445223363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216445225441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5343886 + ... + 5384236.

It is an arithmetic number, because the mean of its divisors is an integer number (15078735360).

Almost surely, 2^216445225411 is an apocalyptic number.

216445225411 is a deficient number, since it is larger than the sum of its proper divisors (24814540349).

216445225411 is a wasteful number, since it uses less digits than its factorization.

216445225411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56994.

The product of its digits is 76800, while the sum is 37.

The spelling of 216445225411 in words is "two hundred sixteen billion, four hundred forty-five million, two hundred twenty-five thousand, four hundred eleven".