26036451264545 has 4 divisors (see below), whose sum is σ = 31243741517460. Its totient is φ = 20829161011632.

The previous prime is 26036451264517. The next prime is 26036451264589. The reversal of 26036451264545 is 54546215463062.

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 6025537361809 + 20010913902736 = 2454697^2 + 4473356^2 .

It is a cyclic number.

It is not a de Polignac number, because 26036451264545 - 2²² = 26036447070241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603645126450 + ... + 2603645126459.

It is an arithmetic number, because the mean of its divisors is an integer number (7810935379365).

Almost surely, 2^{26036451264545} is an apocalyptic number.

It is an amenable number.

26036451264545 is a deficient number, since it is larger than the sum of its proper divisors (5207290252915).

26036451264545 is an equidigital number, since it uses as much as digits as its factorization.

26036451264545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207290252914.

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 26036451264545 in words is "twenty-six trillion, thirty-six billion, four hundred fifty-one million, two hundred sixty-four thousand, five hundred forty-five".