26215420355 has 32 divisors (see below), whose sum is σ = 33094656000. Its totient is φ = 19897030912.

The previous prime is 26215420349. The next prime is 26215420393. The reversal of 26215420355 is 55302451262.

It is a cyclic number.

It is not a de Polignac number, because 26215420355 - 2⁴ = 26215420339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10926446 + ... + 10928844.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208000).

Almost surely, 2^26215420355 is an apocalyptic number.

26215420355 is a deficient number, since it is larger than the sum of its proper divisors (6879235645).

26215420355 is a wasteful number, since it uses less digits than its factorization.

26215420355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 26215420355 in words is "twenty-six billion, two hundred fifteen million, four hundred twenty thousand, three hundred fifty-five".