26128545433671 has 32 divisors (see below), whose sum is σ = 36126524620800. Its totient is φ = 16777748691200.

The previous prime is 26128545433609. The next prime is 26128545433699. The reversal of 26128545433671 is 17633454582162.

It is a cyclic number.

It is not a de Polignac number, because 26128545433671 - 2³⁹ = 25578789619783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26128545433271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64586995 + ... + 64990283.

It is an arithmetic number, because the mean of its divisors is an integer number (1128953894400).

Almost surely, 2^{26128545433671} is an apocalyptic number.

26128545433671 is a deficient number, since it is larger than the sum of its proper divisors (9997979187129).

26128545433671 is a wasteful number, since it uses less digits than its factorization.

26128545433671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405119.

The product of its digits is 29030400, while the sum is 57.

The spelling of 26128545433671 in words is "twenty-six trillion, one hundred twenty-eight billion, five hundred forty-five million, four hundred thirty-three thousand, six hundred seventy-one".