26066511601 has 8 divisors (see below), whose sum is σ = 28119458304. Its totient is φ = 24020397840.

The previous prime is 26066511599. The next prime is 26066511613. The reversal of 26066511601 is 10611566062.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26066511601 - 2¹ = 26066511599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26066511661) 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 7 ways as a sum of consecutive naturals, for example, 1700305 + ... + 1715566.

It is an arithmetic number, because the mean of its divisors is an integer number (3514932288).

Almost surely, 2^26066511601 is an apocalyptic number.

It is an amenable number.

26066511601 is a deficient number, since it is larger than the sum of its proper divisors (2052946703).

26066511601 is a wasteful number, since it uses less digits than its factorization.

26066511601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416471.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 26066511601 in words is "twenty-six billion, sixty-six million, five hundred eleven thousand, six hundred one".