26563305016055 has 32 divisors (see below), whose sum is σ = 32211658229760. Its totient is φ = 21028207772160.

The previous prime is 26563305016019. The next prime is 26563305016103. The reversal of 26563305016055 is 55061050336562.

It is not a de Polignac number, because 26563305016055 - 2³⁸ = 26288427109111 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199547999 + ... + 199681071.

It is an arithmetic number, because the mean of its divisors is an integer number (1006614319680).

Almost surely, 2^{26563305016055} is an apocalyptic number.

26563305016055 is a deficient number, since it is larger than the sum of its proper divisors (5648353213705).

26563305016055 is a wasteful number, since it uses less digits than its factorization.

26563305016055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134351.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 26563305016055 in words is "twenty-six trillion, five hundred sixty-three billion, three hundred five million, sixteen thousand, fifty-five".