26656212155 has 8 divisors (see below), whose sum is σ = 32048853984. Its totient is φ = 21284036800.

The previous prime is 26656212133. The next prime is 26656212157. The reversal of 26656212155 is 55121265662.

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

It is not a de Polignac number, because 26656212155 - 2⁶ = 26656212091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26656212157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113751 + ... + 5118960.

It is an arithmetic number, because the mean of its divisors is an integer number (4006106748).

Almost surely, 2^26656212155 is an apocalyptic number.

26656212155 is a deficient number, since it is larger than the sum of its proper divisors (5392641829).

26656212155 is a wasteful number, since it uses less digits than its factorization.

26656212155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233237.

The product of its digits is 216000, while the sum is 41.

The spelling of 26656212155 in words is "twenty-six billion, six hundred fifty-six million, two hundred twelve thousand, one hundred fifty-five".