26514571541 has 2 divisors, whose sum is σ = 26514571542. Its totient is φ = 26514571540.

The previous prime is 26514571477. The next prime is 26514571553. The reversal of 26514571541 is 14517541562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15195739441 + 11318832100 = 123271^2 + 106390^2 .

It is a cyclic number.

It is not a de Polignac number, because 26514571541 - 2⁶ = 26514571477 is a prime.

It is a super-2 number, since 2×26514571541² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26514571561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13257285770 + 13257285771.

It is an arithmetic number, because the mean of its divisors is an integer number (13257285771).

Almost surely, 2^26514571541 is an apocalyptic number.

It is an amenable number.

26514571541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26514571541 is an equidigital number, since it uses as much as digits as its factorization.

26514571541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 41.

The spelling of 26514571541 in words is "twenty-six billion, five hundred fourteen million, five hundred seventy-one thousand, five hundred forty-one".