26155331206 has 16 divisors (see below), whose sum is σ = 39470022144. Its totient is φ = 12998891584.

The previous prime is 26155331179. The next prime is 26155331261. The reversal of 26155331206 is 60213355162.

It is a congruent number.

It is an unprimeable number.

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, 166170 + ... + 282706.

It is an arithmetic number, because the mean of its divisors is an integer number (2466876384).

Almost surely, 2^26155331206 is an apocalyptic number.

26155331206 is a deficient number, since it is larger than the sum of its proper divisors (13314690938).

26155331206 is a wasteful number, since it uses less digits than its factorization.

26155331206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117215.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 26155331206 its reverse (60213355162), we get a palindrome (86368686368).

The spelling of 26155331206 in words is "twenty-six billion, one hundred fifty-five million, three hundred thirty-one thousand, two hundred six".