26542361133 has 12 divisors (see below), whose sum is σ = 38734214428. Its totient is φ = 17512485120.

The previous prime is 26542361117. The next prime is 26542361141. The reversal of 26542361133 is 33116324562.

26542361133 is a `hidden beast` number, since 2 + 6 + 5 + 4 + 2 + 3 + 611 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20986447689 + 5555913444 = 144867^2 + 74538^2 .

It is not a de Polignac number, because 26542361133 - 2⁴ = 26542361117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26542361533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15200938 + ... + 15202683.

Almost surely, 2^26542361133 is an apocalyptic number.

It is an amenable number.

26542361133 is a deficient number, since it is larger than the sum of its proper divisors (12191853295).

26542361133 is a wasteful number, since it uses less digits than its factorization.

26542361133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30403724 (or 30403721 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 26542361133 its reverse (33116324562), we get a palindrome (59658685695).

The spelling of 26542361133 in words is "twenty-six billion, five hundred forty-two million, three hundred sixty-one thousand, one hundred thirty-three".