26170563541 has 2 divisors, whose sum is σ = 26170563542. Its totient is φ = 26170563540.

The previous prime is 26170563533. The next prime is 26170563571. The reversal of 26170563541 is 14536507162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26150124100 + 20439441 = 161710^2 + 4521^2 .

It is a cyclic number.

It is not a de Polignac number, because 26170563541 - 2³ = 26170563533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26170563494 and 26170563503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26170563511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13085281770 + 13085281771.

It is an arithmetic number, because the mean of its divisors is an integer number (13085281771).

Almost surely, 2^26170563541 is an apocalyptic number.

It is an amenable number.

26170563541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26170563541 is an equidigital number, since it uses as much as digits as its factorization.

26170563541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 26170563541 in words is "twenty-six billion, one hundred seventy million, five hundred sixty-three thousand, five hundred forty-one".