36421161505 has 16 divisors (see below), whose sum is σ = 46383715584. Its totient is φ = 27359338240.

The previous prime is 36421161467. The next prime is 36421161523. The reversal of 36421161505 is 50516112463.

36421161505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36421161505 - 2¹⁷ = 36421030433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460447 + ... + 533716.

It is an arithmetic number, because the mean of its divisors is an integer number (2898982224).

Almost surely, 2^36421161505 is an apocalyptic number.

It is an amenable number.

36421161505 is a deficient number, since it is larger than the sum of its proper divisors (9962554079).

36421161505 is a wasteful number, since it uses less digits than its factorization.

36421161505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994616.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 36421161505 its reverse (50516112463), we get a palindrome (86937273968).

The spelling of 36421161505 in words is "thirty-six billion, four hundred twenty-one million, one hundred sixty-one thousand, five hundred five".