36561047456105 has 4 divisors (see below), whose sum is σ = 43873256947332. Its totient is φ = 29248837964880.

The previous prime is 36561047456083. The next prime is 36561047456113. The reversal of 36561047456105 is 50165474016563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22159652419216 + 14401395036889 = 4707404^2 + 3794917^2 .

It is not a de Polignac number, because 36561047456105 - 2³⁰ = 36559973714281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3656104745606 + ... + 3656104745615.

It is an arithmetic number, because the mean of its divisors is an integer number (10968314236833).

Almost surely, 2^{36561047456105} is an apocalyptic number.

It is an amenable number.

36561047456105 is a deficient number, since it is larger than the sum of its proper divisors (7312209491227).

36561047456105 is an equidigital number, since it uses as much as digits as its factorization.

36561047456105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312209491226.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 36561047456105 in words is "thirty-six trillion, five hundred sixty-one billion, forty-seven million, four hundred fifty-six thousand, one hundred five".