26213231251 has 2 divisors, whose sum is σ = 26213231252. Its totient is φ = 26213231250.

The previous prime is 26213231227. The next prime is 26213231267. The reversal of 26213231251 is 15213231262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26213231251 - 2³³ = 17623296659 is a prime.

It is not a weakly prime, because it can be changed into another prime (26213231221) 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, 13106615625 + 13106615626.

It is an arithmetic number, because the mean of its divisors is an integer number (13106615626).

Almost surely, 2^26213231251 is an apocalyptic number.

26213231251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26213231251 is an equidigital number, since it uses as much as digits as its factorization.

26213231251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The spelling of 26213231251 in words is "twenty-six billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred fifty-one".