26010135531 has 8 divisors (see below), whose sum is σ = 38533534160. Its totient is φ = 17340090336.

The previous prime is 26010135491. The next prime is 26010135563. The reversal of 26010135531 is 13553101062.

26010135531 is a `hidden beast` number, since 2 + 6 + 0 + 101 + 3 + 553 + 1 = 666.

It is not a de Polignac number, because 26010135531 - 2¹⁴ = 26010119147 is a prime.

It is a super-2 number, since 2×26010135531² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 963338353 = 26010135531 / (2 + 6 + 0 + 1 + 0 + 1 + 3 + 5 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26010135495 and 26010135504.

It is not an unprimeable number, because it can be changed into a prime (26010135331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481669150 + ... + 481669203.

It is an arithmetic number, because the mean of its divisors is an integer number (4816691770).

Almost surely, 2^26010135531 is an apocalyptic number.

26010135531 is a deficient number, since it is larger than the sum of its proper divisors (12523398629).

26010135531 is an equidigital number, since it uses as much as digits as its factorization.

26010135531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963338362 (or 963338356 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 26010135531 its reverse (13553101062), we get a palindrome (39563236593).

The spelling of 26010135531 in words is "twenty-six billion, ten million, one hundred thirty-five thousand, five hundred thirty-one".