20411162645103 has 24 divisors (see below), whose sum is σ = 29660502388608. Its totient is φ = 13525427306832.

The previous prime is 20411162645099. The next prime is 20411162645117. The reversal of 20411162645103 is 30154626111402.

20411162645103 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 1 + 6 + 2 + 645 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 20411162645103 - 2² = 20411162645099 is a prime.

It is a super-3 number, since 3×20411162645103³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411162645183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39910576 + ... + 40418762.

It is an arithmetic number, because the mean of its divisors is an integer number (1235854266192).

Almost surely, 2^{20411162645103} is an apocalyptic number.

20411162645103 is a deficient number, since it is larger than the sum of its proper divisors (9249339743505).

20411162645103 is a wasteful number, since it uses less digits than its factorization.

20411162645103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535083 (or 535080 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 20411162645103 its reverse (30154626111402), we get a palindrome (50565788756505).

The spelling of 20411162645103 in words is "twenty trillion, four hundred eleven billion, one hundred sixty-two million, six hundred forty-five thousand, one hundred three".