26250152491 has 2 divisors, whose sum is σ = 26250152492. Its totient is φ = 26250152490.

The previous prime is 26250152477. The next prime is 26250152573. The reversal of 26250152491 is 19425105262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26250152491 - 2²³ = 26241763883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26250152491.

It is not a weakly prime, because it can be changed into another prime (26250152191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125076245 + 13125076246.

It is an arithmetic number, because the mean of its divisors is an integer number (13125076246).

Almost surely, 2^26250152491 is an apocalyptic number.

26250152491 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250152491 is an equidigital number, since it uses as much as digits as its factorization.

26250152491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 26250152491 in words is "twenty-six billion, two hundred fifty million, one hundred fifty-two thousand, four hundred ninety-one".