26190836306545 has 16 divisors (see below), whose sum is σ = 32052823994880. Its totient is φ = 20537549757504.

The previous prime is 26190836306539. The next prime is 26190836306587. The reversal of 26190836306545 is 54560363809162.

It is a cyclic number.

It is not a de Polignac number, because 26190836306545 - 2¹⁹ = 26190835782257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26190836306545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47286429 + ... + 47837098.

It is an arithmetic number, because the mean of its divisors is an integer number (2003301499680).

Almost surely, 2^{26190836306545} is an apocalyptic number.

It is an amenable number.

26190836306545 is a deficient number, since it is larger than the sum of its proper divisors (5861987688335).

26190836306545 is a wasteful number, since it uses less digits than its factorization.

26190836306545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95124624.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 26190836306545 in words is "twenty-six trillion, one hundred ninety billion, eight hundred thirty-six million, three hundred six thousand, five hundred forty-five".