26534125313 has 4 divisors (see below), whose sum is σ = 26537047380. Its totient is φ = 26531203248.

The previous prime is 26534125297. The next prime is 26534125357. The reversal of 26534125313 is 31352143562.

It is a happy number.

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 11205704449 + 15328420864 = 105857^2 + 123808^2 .

It is a cyclic number.

It is not a de Polignac number, because 26534125313 - 2⁴ = 26534125297 is a prime.

It is a super-3 number, since 3×26534125313³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26534124313) 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 in 3 ways as a sum of consecutive naturals, for example, 1447370 + ... + 1465587.

It is an arithmetic number, because the mean of its divisors is an integer number (6634261845).

Almost surely, 2^26534125313 is an apocalyptic number.

It is an amenable number.

26534125313 is a deficient number, since it is larger than the sum of its proper divisors (2922067).

26534125313 is an equidigital number, since it uses as much as digits as its factorization.

26534125313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922066.

The product of its digits is 64800, while the sum is 35.

Adding to 26534125313 its reverse (31352143562), we get a palindrome (57886268875).

The spelling of 26534125313 in words is "twenty-six billion, five hundred thirty-four million, one hundred twenty-five thousand, three hundred thirteen".