20541265411 has 8 divisors (see below), whose sum is σ = 20652735600. Its totient is φ = 20429847552.

The previous prime is 20541265399. The next prime is 20541265453. The reversal of 20541265411 is 11456214502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20541265411 - 2²¹ = 20539168259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20541265211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973671 + ... + 994543.

It is an arithmetic number, because the mean of its divisors is an integer number (2581591950).

Almost surely, 2^20541265411 is an apocalyptic number.

20541265411 is a deficient number, since it is larger than the sum of its proper divisors (111470189).

20541265411 is a wasteful number, since it uses less digits than its factorization.

20541265411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26165.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 20541265411 its reverse (11456214502), we get a palindrome (31997479913).

The spelling of 20541265411 in words is "twenty billion, five hundred forty-one million, two hundred sixty-five thousand, four hundred eleven".