26254640331111 has 8 divisors (see below), whose sum is σ = 35021140636144. Its totient is φ = 17495616790080.

The previous prime is 26254640331107. The next prime is 26254640331131. The reversal of 26254640331111 is 11113304645262.

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

It is not a de Polignac number, because 26254640331111 - 2² = 26254640331107 is a prime.

It is a super-2 number, since 2×26254640331111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26254640331111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26254640331131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869182806 + ... + 1869196851.

It is an arithmetic number, because the mean of its divisors is an integer number (4377642579518).

Almost surely, 2^{26254640331111} is an apocalyptic number.

26254640331111 is a deficient number, since it is larger than the sum of its proper divisors (8766500305033).

26254640331111 is a wasteful number, since it uses less digits than its factorization.

26254640331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738382001.

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 26254640331111 its reverse (11113304645262), we get a palindrome (37367944976373).

The spelling of 26254640331111 in words is "twenty-six trillion, two hundred fifty-four billion, six hundred forty million, three hundred thirty-one thousand, one hundred eleven".