26255612555 has 8 divisors (see below), whose sum is σ = 33164984400. Its totient is φ = 19898990496.

The previous prime is 26255612501. The next prime is 26255612569. The reversal of 26255612555 is 55521655262.

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 26255612555 - 2¹⁸ = 26255350411 is a prime.

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, 138187340 + ... + 138187529.

It is an arithmetic number, because the mean of its divisors is an integer number (4145623050).

Almost surely, 2^26255612555 is an apocalyptic number.

26255612555 is a deficient number, since it is larger than the sum of its proper divisors (6909371845).

26255612555 is a wasteful number, since it uses less digits than its factorization.

26255612555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276374893.

The product of its digits is 900000, while the sum is 44.

The spelling of 26255612555 in words is "twenty-six billion, two hundred fifty-five million, six hundred twelve thousand, five hundred fifty-five".