20411151240135 has 16 divisors (see below), whose sum is σ = 32963055463296. Its totient is φ = 10784209501728.

The previous prime is 20411151240127. The next prime is 20411151240149. The reversal of 20411151240135 is 53104215111402.

It is not a de Polignac number, because 20411151240135 - 2³ = 20411151240127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358612489 + ... + 6358615698.

It is an arithmetic number, because the mean of its divisors is an integer number (2060190966456).

Almost surely, 2^{20411151240135} is an apocalyptic number.

20411151240135 is a deficient number, since it is larger than the sum of its proper divisors (12551904223161).

20411151240135 is a wasteful number, since it uses less digits than its factorization.

20411151240135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717228302.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 20411151240135 its reverse (53104215111402), we get a palindrome (73515366351537).

The spelling of 20411151240135 in words is "twenty trillion, four hundred eleven billion, one hundred fifty-one million, two hundred forty thousand, one hundred thirty-five".