26525228117 has 2 divisors, whose sum is σ = 26525228118. Its totient is φ = 26525228116.

The previous prime is 26525228077. The next prime is 26525228137. The reversal of 26525228117 is 71182252562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25750941841 + 774286276 = 160471^2 + 27826^2 .

It is a cyclic number.

It is not a de Polignac number, because 26525228117 - 2¹⁰ = 26525227093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26525228137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13262614058 + 13262614059.

It is an arithmetic number, because the mean of its divisors is an integer number (13262614059).

Almost surely, 2^26525228117 is an apocalyptic number.

It is an amenable number.

26525228117 is a deficient number, since it is larger than the sum of its proper divisors (1).

26525228117 is an equidigital number, since it uses as much as digits as its factorization.

26525228117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The spelling of 26525228117 in words is "twenty-six billion, five hundred twenty-five million, two hundred twenty-eight thousand, one hundred seventeen".