36561367143541 has 4 divisors (see below), whose sum is σ = 38485649624800. Its totient is φ = 34637084662284.

The previous prime is 36561367143523. The next prime is 36561367143569. The reversal of 36561367143541 is 14534176316563.

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 a cyclic number.

It is not a de Polignac number, because 36561367143541 - 2⁹ = 36561367143029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561367143571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962141240601 + ... + 962141240638.

It is an arithmetic number, because the mean of its divisors is an integer number (9621412406200).

Almost surely, 2^{36561367143541} is an apocalyptic number.

It is an amenable number.

36561367143541 is a deficient number, since it is larger than the sum of its proper divisors (1924282481259).

36561367143541 is a wasteful number, since it uses less digits than its factorization.

36561367143541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924282481258.

The product of its digits is 16329600, while the sum is 55.

The spelling of 36561367143541 in words is "thirty-six trillion, five hundred sixty-one billion, three hundred sixty-seven million, one hundred forty-three thousand, five hundred forty-one".