26526525251 has 2 divisors, whose sum is σ = 26526525252. Its totient is φ = 26526525250.

The previous prime is 26526525217. The next prime is 26526525287. The reversal of 26526525251 is 15252562562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26526525251 - 2³⁰ = 25452783427 is a prime.

It is a super-2 number, since 2×26526525251² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26526525199 and 26526525208.

It is not a weakly prime, because it can be changed into another prime (26526525211) 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, 13263262625 + 13263262626.

It is an arithmetic number, because the mean of its divisors is an integer number (13263262626).

Almost surely, 2^26526525251 is an apocalyptic number.

26526525251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26526525251 is an equidigital number, since it uses as much as digits as its factorization.

26526525251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360000, while the sum is 41.

The spelling of 26526525251 in words is "twenty-six billion, five hundred twenty-six million, five hundred twenty-five thousand, two hundred fifty-one".