26601501161593 has 2 divisors, whose sum is σ = 26601501161594. Its totient is φ = 26601501161592.

The previous prime is 26601501161581. The next prime is 26601501161611. The reversal of 26601501161593 is 39516110510662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14382540474624 + 12218960686969 = 3792432^2 + 3495563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26601501161593 is a prime.

It is not a weakly prime, because it can be changed into another prime (26601501161503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13300750580796 + 13300750580797.

It is an arithmetic number, because the mean of its divisors is an integer number (13300750580797).

Almost surely, 2^{26601501161593} is an apocalyptic number.

It is an amenable number.

26601501161593 is a deficient number, since it is larger than the sum of its proper divisors (1).

26601501161593 is an equidigital number, since it uses as much as digits as its factorization.

26601501161593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 26601501161593 in words is "twenty-six trillion, six hundred one billion, five hundred one million, one hundred sixty-one thousand, five hundred ninety-three".