26252587201 has 4 divisors (see below), whose sum is σ = 26268904900. Its totient is φ = 26236269504.

The previous prime is 26252587187. The next prime is 26252587211. The reversal of 26252587201 is 10278525262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15794456976 + 10458130225 = 125676^2 + 102265^2 .

It is a cyclic number.

It is not a de Polignac number, because 26252587201 - 2¹⁷ = 26252456129 is a prime.

It is a super-2 number, since 2×26252587201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26252587211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156436 + ... + 8159653.

It is an arithmetic number, because the mean of its divisors is an integer number (6567226225).

Almost surely, 2^26252587201 is an apocalyptic number.

It is an amenable number.

26252587201 is a deficient number, since it is larger than the sum of its proper divisors (16317699).

26252587201 is a wasteful number, since it uses less digits than its factorization.

26252587201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317698.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 26252587201 in words is "twenty-six billion, two hundred fifty-two million, five hundred eighty-seven thousand, two hundred one".