20410405111545 has 16 divisors (see below), whose sum is σ = 34577627483520. Its totient is φ = 10245222957824.

The previous prime is 20410405111471. The next prime is 20410405111553. The reversal of 20410405111545 is 54511150401402.

It is a cyclic number.

It is not a de Polignac number, because 20410405111545 - 2²⁵ = 20410371557113 is a prime.

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, 40020401925 + ... + 40020402434.

It is an arithmetic number, because the mean of its divisors is an integer number (2161101717720).

Almost surely, 2^{20410405111545} is an apocalyptic number.

It is an amenable number.

20410405111545 is a deficient number, since it is larger than the sum of its proper divisors (14167222371975).

20410405111545 is a wasteful number, since it uses less digits than its factorization.

20410405111545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80040804384.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 20410405111545 its reverse (54511150401402), we get a palindrome (74921555512947).

The spelling of 20410405111545 in words is "twenty trillion, four hundred ten billion, four hundred five million, one hundred eleven thousand, five hundred forty-five".