20541054115 has 8 divisors (see below), whose sum is σ = 24719095008. Its totient is φ = 16386289920.

The previous prime is 20541054113. The next prime is 20541054137. The reversal of 20541054115 is 51145014502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20541054115 - 2¹ = 20541054113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20541054113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5817231 + ... + 5820760.

It is an arithmetic number, because the mean of its divisors is an integer number (3089886876).

Almost surely, 2^20541054115 is an apocalyptic number.

20541054115 is a deficient number, since it is larger than the sum of its proper divisors (4178040893).

20541054115 is a wasteful number, since it uses less digits than its factorization.

20541054115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638349.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 20541054115 its reverse (51145014502), we get a palindrome (71686068617).

The spelling of 20541054115 in words is "twenty billion, five hundred forty-one million, fifty-four thousand, one hundred fifteen".