26692221105 has 48 divisors (see below), whose sum is σ = 50664721536. Its totient is φ = 12892412160.

The previous prime is 26692221091. The next prime is 26692221109. The reversal of 26692221105 is 50112229662.

It is not a de Polignac number, because 26692221105 - 2¹⁵ = 26692188337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26692221105.

It is not an unprimeable number, because it can be changed into a prime (26692221109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27669 + ... + 232701.

It is an arithmetic number, because the mean of its divisors is an integer number (1055515032).

Almost surely, 2^26692221105 is an apocalyptic number.

It is an amenable number.

26692221105 is a deficient number, since it is larger than the sum of its proper divisors (23972500431).

26692221105 is a wasteful number, since it uses less digits than its factorization.

26692221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205318 (or 205315 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 26692221105 in words is "twenty-six billion, six hundred ninety-two million, two hundred twenty-one thousand, one hundred five".