26666962911 has 8 divisors (see below), whose sum is σ = 39506611760. Its totient is φ = 17777975256.

The previous prime is 26666962873. The next prime is 26666962939. The reversal of 26666962911 is 11926966662.

It is a de Polignac number, because none of the positive numbers 2^k-26666962911 is a prime.

It is a super-2 number, since 2×26666962911² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26666962981) 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, 493832620 + ... + 493832673.

It is an arithmetic number, because the mean of its divisors is an integer number (4938326470).

Almost surely, 2^26666962911 is an apocalyptic number.

26666962911 is a deficient number, since it is larger than the sum of its proper divisors (12839648849).

26666962911 is an equidigital number, since it uses as much as digits as its factorization.

26666962911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987665302 (or 987665296 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The spelling of 26666962911 in words is "twenty-six billion, six hundred sixty-six million, nine hundred sixty-two thousand, nine hundred eleven".