26631403255 has 16 divisors (see below), whose sum is σ = 32269013280. Its totient is φ = 21097904128.

The previous prime is 26631403223. The next prime is 26631403283. The reversal of 26631403255 is 55230413662.

It is a cyclic number.

It is not a de Polignac number, because 26631403255 - 2⁵ = 26631403223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636831 + ... + 677359.

It is an arithmetic number, because the mean of its divisors is an integer number (2016813330).

Almost surely, 2^26631403255 is an apocalyptic number.

26631403255 is a deficient number, since it is larger than the sum of its proper divisors (5637610025).

26631403255 is a wasteful number, since it uses less digits than its factorization.

26631403255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 26631403255 in words is "twenty-six billion, six hundred thirty-one million, four hundred three thousand, two hundred fifty-five".