26261046133 has 12 divisors (see below), whose sum is σ = 31049363532. Its totient is φ = 22140457920.

The previous prime is 26261046127. The next prime is 26261046179. The reversal of 26261046133 is 33164016262.

It can be written as a sum of positive squares in 2 ways, for example, as 13569221169 + 12691824964 = 116487^2 + 112658^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26261046133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26261046113) 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 11 ways as a sum of consecutive naturals, for example, 4389960 + ... + 4395937.

It is an arithmetic number, because the mean of its divisors is an integer number (2587446961).

Almost surely, 2^26261046133 is an apocalyptic number.

It is an amenable number.

26261046133 is a deficient number, since it is larger than the sum of its proper divisors (4788317399).

26261046133 is an equidigital number, since it uses as much as digits as its factorization.

26261046133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785972 (or 8785965 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 26261046133 in words is "twenty-six billion, two hundred sixty-one million, forty-six thousand, one hundred thirty-three".