26126282957 has 2 divisors, whose sum is σ = 26126282958. Its totient is φ = 26126282956.

The previous prime is 26126282939. The next prime is 26126282989. The reversal of 26126282957 is 75928262162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25633931236 + 492351721 = 160106^2 + 22189^2 .

It is a cyclic number.

It is not a de Polignac number, because 26126282957 - 2⁸ = 26126282701 is a prime.

It is a super-2 number, since 2×26126282957² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26126282927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13063141478 + 13063141479.

It is an arithmetic number, because the mean of its divisors is an integer number (13063141479).

Almost surely, 2^26126282957 is an apocalyptic number.

It is an amenable number.

26126282957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26126282957 is an equidigital number, since it uses as much as digits as its factorization.

26126282957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The spelling of 26126282957 in words is "twenty-six billion, one hundred twenty-six million, two hundred eighty-two thousand, nine hundred fifty-seven".