26537228605441 has 4 divisors (see below), whose sum is σ = 26537718448084. Its totient is φ = 26536738762800.

The previous prime is 26537228605333. The next prime is 26537228605561. The reversal of 26537228605441 is 14450682273562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79794950400 + 26457433655041 = 282480^2 + 5143679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26537228605441 is a prime.

It is a super-3 number, since 3×26537228605441³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26537228605841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244840050 + ... + 244948411.

It is an arithmetic number, because the mean of its divisors is an integer number (6634429612021).

Almost surely, 2^{26537228605441} is an apocalyptic number.

It is an amenable number.

26537228605441 is a deficient number, since it is larger than the sum of its proper divisors (489842643).

26537228605441 is an equidigital number, since it uses as much as digits as its factorization.

26537228605441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489842642.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 26537228605441 in words is "twenty-six trillion, five hundred thirty-seven billion, two hundred twenty-eight million, six hundred five thousand, four hundred forty-one".