26670055011 has 4 divisors (see below), whose sum is σ = 35560073352. Its totient is φ = 17780036672.

The previous prime is 26670054997. The next prime is 26670055079. The reversal of 26670055011 is 11055007662.

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

It is a cyclic number.

It is not a de Polignac number, because 26670055011 - 2⁵ = 26670054979 is a prime.

It is a super-2 number, since 2×26670055011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26670055081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445009166 + ... + 4445009171.

It is an arithmetic number, because the mean of its divisors is an integer number (8890018338).

Almost surely, 2^26670055011 is an apocalyptic number.

26670055011 is a deficient number, since it is larger than the sum of its proper divisors (8890018341).

26670055011 is an equidigital number, since it uses as much as digits as its factorization.

26670055011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8890018340.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 26670055011 in words is "twenty-six billion, six hundred seventy million, fifty-five thousand, eleven".