20765432717411 has 4 divisors (see below), whose sum is σ = 21668277618192. Its totient is φ = 19862587816632.

The previous prime is 20765432717371. The next prime is 20765432717423. The reversal of 20765432717411 is 11471723456702.

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 20765432717411 - 2³⁴ = 20748252848227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20765432717411.

It is not an unprimeable number, because it can be changed into a prime (20765432713411) 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, 451422450356 + ... + 451422450401.

It is an arithmetic number, because the mean of its divisors is an integer number (5417069404548).

Almost surely, 2^{20765432717411} is an apocalyptic number.

20765432717411 is a deficient number, since it is larger than the sum of its proper divisors (902844900781).

20765432717411 is an equidigital number, since it uses as much as digits as its factorization.

20765432717411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902844900780.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 20765432717411 in words is "twenty trillion, seven hundred sixty-five billion, four hundred thirty-two million, seven hundred seventeen thousand, four hundred eleven".