26152505251 has 2 divisors, whose sum is σ = 26152505252. Its totient is φ = 26152505250.

The previous prime is 26152505161. The next prime is 26152505287. The reversal of 26152505251 is 15250525162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26152505251 - 2²¹ = 26150408099 is a prime.

It is not a weakly prime, because it can be changed into another prime (26152505651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13076252625 + 13076252626.

It is an arithmetic number, because the mean of its divisors is an integer number (13076252626).

Almost surely, 2^26152505251 is an apocalyptic number.

26152505251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26152505251 is an equidigital number, since it uses as much as digits as its factorization.

26152505251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 26152505251 in words is "twenty-six billion, one hundred fifty-two million, five hundred five thousand, two hundred fifty-one".