26111111255 has 16 divisors (see below), whose sum is σ = 31486904064. Its totient is φ = 20786588160.

The previous prime is 26111111251. The next prime is 26111111269. The reversal of 26111111255 is 55211111162.

It is a happy number.

It is not a de Polignac number, because 26111111255 - 2² = 26111111251 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 (26111111251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926767 + ... + 4932063.

It is an arithmetic number, because the mean of its divisors is an integer number (1967931504).

Almost surely, 2^26111111255 is an apocalyptic number.

26111111255 is a deficient number, since it is larger than the sum of its proper divisors (5375792809).

26111111255 is a wasteful number, since it uses less digits than its factorization.

26111111255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946.

The product of its digits is 600, while the sum is 26.

The spelling of 26111111255 in words is "twenty-six billion, one hundred eleven million, one hundred eleven thousand, two hundred fifty-five".