20242135041511 has 4 divisors (see below), whose sum is σ = 20243543792400. Its totient is φ = 20240726290624.

The previous prime is 20242135041467. The next prime is 20242135041581. The reversal of 20242135041511 is 11514053124202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20242135041511 - 2⁷ = 20242135041383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242135041581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704353891 + ... + 704382628.

It is an arithmetic number, because the mean of its divisors is an integer number (5060885948100).

Almost surely, 2^{20242135041511} is an apocalyptic number.

20242135041511 is a deficient number, since it is larger than the sum of its proper divisors (1408750889).

20242135041511 is a wasteful number, since it uses less digits than its factorization.

20242135041511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408750888.

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

Adding to 20242135041511 its reverse (11514053124202), we get a palindrome (31756188165713).

The spelling of 20242135041511 in words is "twenty trillion, two hundred forty-two billion, one hundred thirty-five million, forty-one thousand, five hundred eleven".