36561573312441 has 4 divisors (see below), whose sum is σ = 48748764416592. Its totient is φ = 24374382208292.

The previous prime is 36561573312421. The next prime is 36561573312461. The reversal of 36561573312441 is 14421337516563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (36561573312421) and next prime (36561573312461).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36561573312441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36561573312401) 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, 6093595552071 + ... + 6093595552076.

It is an arithmetic number, because the mean of its divisors is an integer number (12187191104148).

Almost surely, 2^{36561573312441} is an apocalyptic number.

It is an amenable number.

36561573312441 is a deficient number, since it is larger than the sum of its proper divisors (12187191104151).

36561573312441 is a wasteful number, since it uses less digits than its factorization.

36561573312441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187191104150.

The product of its digits is 5443200, while the sum is 51.

The spelling of 36561573312441 in words is "thirty-six trillion, five hundred sixty-one billion, five hundred seventy-three million, three hundred twelve thousand, four hundred forty-one".