26450155231 has 2 divisors, whose sum is σ = 26450155232. Its totient is φ = 26450155230.

The previous prime is 26450155229. The next prime is 26450155321. The reversal of 26450155231 is 13255105462.

Together with next prime (26450155321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26450155231 - 2¹ = 26450155229 is a prime.

It is a super-2 number, since 2×26450155231² (a number of 22 digits) contains 22 as substring.

Together with 26450155229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26450155931) 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, 13225077615 + 13225077616.

It is an arithmetic number, because the mean of its divisors is an integer number (13225077616).

Almost surely, 2^26450155231 is an apocalyptic number.

26450155231 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450155231 is an equidigital number, since it uses as much as digits as its factorization.

26450155231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 26450155231 in words is "twenty-six billion, four hundred fifty million, one hundred fifty-five thousand, two hundred thirty-one".