26151589601 has 2 divisors, whose sum is σ = 26151589602. Its totient is φ = 26151589600.

The previous prime is 26151589591. The next prime is 26151589627. The reversal of 26151589601 is 10698515162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14782912225 + 11368677376 = 121585^2 + 106624^2 .

It is a cyclic number.

It is not a de Polignac number, because 26151589601 - 2¹⁰ = 26151588577 is a prime.

It is not a weakly prime, because it can be changed into another prime (26151589631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13075794800 + 13075794801.

It is an arithmetic number, because the mean of its divisors is an integer number (13075794801).

Almost surely, 2^26151589601 is an apocalyptic number.

It is an amenable number.

26151589601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26151589601 is an equidigital number, since it uses as much as digits as its factorization.

26151589601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 26151589601 in words is "twenty-six billion, one hundred fifty-one million, five hundred eighty-nine thousand, six hundred one".