18836211277445 has 64 divisors (see below), whose sum is σ = 25189771101696. Its totient is φ = 13449021358080.

The previous prime is 18836211277439. The next prime is 18836211277447. The reversal of 18836211277445 is 54477211263881.

It is not a de Polignac number, because 18836211277445 - 2³² = 18831916310149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18836211277447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105924947 + ... + 106102623.

It is an arithmetic number, because the mean of its divisors is an integer number (393590173464).

Almost surely, 2^{18836211277445} is an apocalyptic number.

It is an amenable number.

18836211277445 is a deficient number, since it is larger than the sum of its proper divisors (6353559824251).

18836211277445 is a wasteful number, since it uses less digits than its factorization.

18836211277445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178190.

The product of its digits is 18063360, while the sum is 59.

The spelling of 18836211277445 in words is "eighteen trillion, eight hundred thirty-six billion, two hundred eleven million, two hundred seventy-seven thousand, four hundred forty-five".