26006215455 has 32 divisors (see below), whose sum is σ = 50436299520. Its totient is φ = 12609073440.

The previous prime is 26006215453. The next prime is 26006215507. The reversal of 26006215455 is 55451260062.

26006215455 is a `hidden beast` number, since 2 + 600 + 6 + 2 + 1 + 5 + 45 + 5 = 666.

It is not a de Polignac number, because 26006215455 - 2¹ = 26006215453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26006215453) by changing a digit.

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, 8754817 + ... + 8757786.

It is an arithmetic number, because the mean of its divisors is an integer number (1576134360).

Almost surely, 2^26006215455 is an apocalyptic number.

26006215455 is a deficient number, since it is larger than the sum of its proper divisors (24430084065).

26006215455 is a wasteful number, since it uses less digits than its factorization.

26006215455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512628 (or 17512622 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 26006215455 in words is "twenty-six billion, six million, two hundred fifteen thousand, four hundred fifty-five".