26600988541 has 2 divisors, whose sum is σ = 26600988542. Its totient is φ = 26600988540.

The previous prime is 26600988539. The next prime is 26600988553. The reversal of 26600988541 is 14588900662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17698311225 + 8902677316 = 133035^2 + 94354^2 .

It is a cyclic number.

It is not a de Polignac number, because 26600988541 - 2¹ = 26600988539 is a prime.

It is a super-2 number, since 2×26600988541² (a number of 22 digits) contains 22 as substring.

Together with 26600988539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26600988521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13300494270 + 13300494271.

It is an arithmetic number, because the mean of its divisors is an integer number (13300494271).

Almost surely, 2^26600988541 is an apocalyptic number.

It is an amenable number.

26600988541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26600988541 is an equidigital number, since it uses as much as digits as its factorization.

26600988541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 26600988541 in words is "twenty-six billion, six hundred million, nine hundred eighty-eight thousand, five hundred forty-one".