26510593541 has 2 divisors, whose sum is σ = 26510593542. Its totient is φ = 26510593540.

The previous prime is 26510593531. The next prime is 26510593553. The reversal of 26510593541 is 14539501562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15538869025 + 10971724516 = 124655^2 + 104746^2 .

It is a cyclic number.

It is not a de Polignac number, because 26510593541 - 2²² = 26506399237 is a prime.

It is a super-2 number, since 2×26510593541² (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 (26510593531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13255296770 + 13255296771.

It is an arithmetic number, because the mean of its divisors is an integer number (13255296771).

Almost surely, 2^26510593541 is an apocalyptic number.

It is an amenable number.

26510593541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26510593541 is an equidigital number, since it uses as much as digits as its factorization.

26510593541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 26510593541 in words is "twenty-six billion, five hundred ten million, five hundred ninety-three thousand, five hundred forty-one".