26052136361 has 4 divisors (see below), whose sum is σ = 26055835092. Its totient is φ = 26048437632.

The previous prime is 26052136351. The next prime is 26052136367. The reversal of 26052136361 is 16363125062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16363125062 = 2 ⋅8181562531.

It can be written as a sum of positive squares in 2 ways, for example, as 24069660736 + 1982475625 = 155144^2 + 44525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26052136361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26052136367) 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, 1838780 + ... + 1852893.

It is an arithmetic number, because the mean of its divisors is an integer number (6513958773).

Almost surely, 2^26052136361 is an apocalyptic number.

It is an amenable number.

26052136361 is a deficient number, since it is larger than the sum of its proper divisors (3698731).

26052136361 is an equidigital number, since it uses as much as digits as its factorization.

26052136361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698730.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 26052136361 in words is "twenty-six billion, fifty-two million, one hundred thirty-six thousand, three hundred sixty-one".