26541522159 has 16 divisors (see below), whose sum is σ = 36441667584. Its totient is φ = 17172382400.

The previous prime is 26541522157. The next prime is 26541522173. The reversal of 26541522159 is 95122514562.

It is a cyclic number.

It is not a de Polignac number, because 26541522159 - 2¹ = 26541522157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26541522159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26541522157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541389 + ... + 588374.

It is an arithmetic number, because the mean of its divisors is an integer number (2277604224).

Almost surely, 2^26541522159 is an apocalyptic number.

26541522159 is a deficient number, since it is larger than the sum of its proper divisors (9900145425).

26541522159 is a wasteful number, since it uses less digits than its factorization.

26541522159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129998.

The product of its digits is 216000, while the sum is 42.

The spelling of 26541522159 in words is "twenty-six billion, five hundred forty-one million, five hundred twenty-two thousand, one hundred fifty-nine".