26250265026487 has 2 divisors, whose sum is σ = 26250265026488. Its totient is φ = 26250265026486.

The previous prime is 26250265026457. The next prime is 26250265026529. The reversal of 26250265026487 is 78462056205262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26250265026487 - 2¹¹ = 26250265024439 is a prime.

It is a super-2 number, since 2×26250265026487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26250265026437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125132513243 + 13125132513244.

It is an arithmetic number, because the mean of its divisors is an integer number (13125132513244).

Almost surely, 2^{26250265026487} is an apocalyptic number.

26250265026487 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250265026487 is an equidigital number, since it uses as much as digits as its factorization.

26250265026487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 26250265026487 in words is "twenty-six trillion, two hundred fifty billion, two hundred sixty-five million, twenty-six thousand, four hundred eighty-seven".