36531266505 has 64 divisors (see below), whose sum is σ = 63894528000. Its totient is φ = 17765459712.

The previous prime is 36531266477. The next prime is 36531266509. The reversal of 36531266505 is 50566213563.

It is not a de Polignac number, because 36531266505 - 2⁶ = 36531266441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36531266509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 767286 + ... + 813504.

It is an arithmetic number, because the mean of its divisors is an integer number (998352000).

Almost surely, 2^36531266505 is an apocalyptic number.

It is an amenable number.

36531266505 is a deficient number, since it is larger than the sum of its proper divisors (27363261495).

36531266505 is a wasteful number, since it uses less digits than its factorization.

36531266505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46358.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 36531266505 in words is "thirty-six billion, five hundred thirty-one million, two hundred sixty-six thousand, five hundred five".