26128905815355 has 16 divisors (see below), whose sum is σ = 47778570633984. Its totient is φ = 11944642658400.

The previous prime is 26128905815329. The next prime is 26128905815357. The reversal of 26128905815355 is 55351850982162.

It is not a de Polignac number, because 26128905815355 - 2¹³ = 26128905807163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26128905815357) by changing a digit.

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, 124423360921 + ... + 124423361130.

It is an arithmetic number, because the mean of its divisors is an integer number (2986160664624).

Almost surely, 2^{26128905815355} is an apocalyptic number.

26128905815355 is a deficient number, since it is larger than the sum of its proper divisors (21649664818629).

26128905815355 is a wasteful number, since it uses less digits than its factorization.

26128905815355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248846722066.

The product of its (nonzero) digits is 25920000, while the sum is 60.

The spelling of 26128905815355 in words is "twenty-six trillion, one hundred twenty-eight billion, nine hundred five million, eight hundred fifteen thousand, three hundred fifty-five".