26135313555 has 16 divisors (see below), whose sum is σ = 45033156000. Its totient is φ = 12866615808.

The previous prime is 26135313553. The next prime is 26135313557. The reversal of 26135313555 is 55531353162.

It is an interprime number because it is at equal distance from previous prime (26135313553) and next prime (26135313557).

It is not a de Polignac number, because 26135313555 - 2¹ = 26135313553 is a prime.

It is a super-2 number, since 2×26135313555² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (26135313553) 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 15 ways as a sum of consecutive naturals, for example, 67013430 + ... + 67013819.

It is an arithmetic number, because the mean of its divisors is an integer number (2814572250).

Almost surely, 2^26135313555 is an apocalyptic number.

26135313555 is a deficient number, since it is larger than the sum of its proper divisors (18897842445).

26135313555 is a wasteful number, since it uses less digits than its factorization.

26135313555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134027270.

The product of its digits is 202500, while the sum is 39.

The spelling of 26135313555 in words is "twenty-six billion, one hundred thirty-five million, three hundred thirteen thousand, five hundred fifty-five".