26990722105 has 16 divisors (see below), whose sum is σ = 33563810304. Its totient is φ = 20814704640.

The previous prime is 26990722081. The next prime is 26990722127. The reversal of 26990722105 is 50122709962.

It is not a de Polignac number, because 26990722105 - 2²⁷ = 26856504377 is a prime.

It is a Duffinian 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, 298947 + ... + 378616.

It is an arithmetic number, because the mean of its divisors is an integer number (2097738144).

Almost surely, 2^26990722105 is an apocalyptic number.

It is an amenable number.

26990722105 is a deficient number, since it is larger than the sum of its proper divisors (6573088199).

26990722105 is a wasteful number, since it uses less digits than its factorization.

26990722105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677856.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 26990722105 in words is "twenty-six billion, nine hundred ninety million, seven hundred twenty-two thousand, one hundred five".