26664111103 has 8 divisors (see below), whose sum is σ = 31524072480. Its totient is φ = 22066850400.

The previous prime is 26664111059. The next prime is 26664111107. The reversal of 26664111103 is 30111146662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26664111103 - 2⁹ = 26664110591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26664111107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65674948 + ... + 65675353.

It is an arithmetic number, because the mean of its divisors is an integer number (3940509060).

Almost surely, 2^26664111103 is an apocalyptic number.

26664111103 is a deficient number, since it is larger than the sum of its proper divisors (4859961377).

26664111103 is a wasteful number, since it uses less digits than its factorization.

26664111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131350337.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 26664111103 its reverse (30111146662), we get a palindrome (56775257765).

The spelling of 26664111103 in words is "twenty-six billion, six hundred sixty-four million, one hundred eleven thousand, one hundred three".