20361147716311 has 4 divisors (see below), whose sum is σ = 20366211422824. Its totient is φ = 20356084009800.

The previous prime is 20361147716237. The next prime is 20361147716321. The reversal of 20361147716311 is 11361774116302.

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 20361147716311 - 2¹⁷ = 20361147585239 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 (20361147716321) 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, 2531847225 + ... + 2531855266.

It is an arithmetic number, because the mean of its divisors is an integer number (5091552855706).

Almost surely, 2^{20361147716311} is an apocalyptic number.

20361147716311 is a deficient number, since it is larger than the sum of its proper divisors (5063706513).

20361147716311 is an equidigital number, since it uses as much as digits as its factorization.

20361147716311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063706512.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 20361147716311 in words is "twenty trillion, three hundred sixty-one billion, one hundred forty-seven million, seven hundred sixteen thousand, three hundred eleven".