16278952211 has 2 divisors, whose sum is σ = 16278952212. Its totient is φ = 16278952210.

The previous prime is 16278952189. The next prime is 16278952231. The reversal of 16278952211 is 11225987261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16278952211 - 2⁶ = 16278952147 is a prime.

It is not a weakly prime, because it can be changed into another prime (16278952231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8139476105 + 8139476106.

It is an arithmetic number, because the mean of its divisors is an integer number (8139476106).

Almost surely, 2^16278952211 is an apocalyptic number.

16278952211 is a deficient number, since it is larger than the sum of its proper divisors (1).

16278952211 is an equidigital number, since it uses as much as digits as its factorization.

16278952211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The spelling of 16278952211 in words is "sixteen billion, two hundred seventy-eight million, nine hundred fifty-two thousand, two hundred eleven".