26611122155 has 8 divisors (see below), whose sum is σ = 31956612912. Its totient is φ = 21273386848.

The previous prime is 26611122137. The next prime is 26611122191. The reversal of 26611122155 is 55122111662.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26611122155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931309 + ... + 1945038.

It is an arithmetic number, because the mean of its divisors is an integer number (3994576614).

Almost surely, 2^26611122155 is an apocalyptic number.

26611122155 is a deficient number, since it is larger than the sum of its proper divisors (5345490757).

26611122155 is a wasteful number, since it uses less digits than its factorization.

26611122155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877725.

The product of its digits is 7200, while the sum is 32.

The spelling of 26611122155 in words is "twenty-six billion, six hundred eleven million, one hundred twenty-two thousand, one hundred fifty-five".