20135741760505 has 16 divisors (see below), whose sum is σ = 27964285125120. Its totient is φ = 13632588994752.

The previous prime is 20135741760499. The next prime is 20135741760529. The reversal of 20135741760505 is 50506714753102.

It is not a de Polignac number, because 20135741760505 - 2³⁹ = 19585985946617 is a prime.

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, 3641180194 + ... + 3641185723.

It is an arithmetic number, because the mean of its divisors is an integer number (1747767820320).

Almost surely, 2^{20135741760505} is an apocalyptic number.

It is an amenable number.

20135741760505 is a deficient number, since it is larger than the sum of its proper divisors (7828543364615).

20135741760505 is an equidigital number, since it uses as much as digits as its factorization.

20135741760505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282366008.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 20135741760505 in words is "twenty trillion, one hundred thirty-five billion, seven hundred forty-one million, seven hundred sixty thousand, five hundred five".