26105581083 has 4 divisors (see below), whose sum is σ = 34807441448. Its totient is φ = 17403720720.

The previous prime is 26105581067. The next prime is 26105581109. The reversal of 26105581083 is 38018550162.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26105581083 - 2⁴ = 26105581067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26105581013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350930178 + ... + 4350930183.

It is an arithmetic number, because the mean of its divisors is an integer number (8701860362).

Almost surely, 2^26105581083 is an apocalyptic number.

26105581083 is a deficient number, since it is larger than the sum of its proper divisors (8701860365).

26105581083 is an equidigital number, since it uses as much as digits as its factorization.

26105581083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701860364.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 26105581083 in words is "twenty-six billion, one hundred five million, five hundred eighty-one thousand, eighty-three".