36561043567401 has 16 divisors (see below), whose sum is σ = 50875877036160. Its totient is φ = 23310466995200.

The previous prime is 36561043567369. The next prime is 36561043567427. The reversal of 36561043567401 is 10476534016563.

It is a cyclic number.

It is not a de Polignac number, because 36561043567401 - 2⁵ = 36561043567369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36561043567481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43003896 + ... + 43845833.

It is an arithmetic number, because the mean of its divisors is an integer number (3179742314760).

Almost surely, 2^{36561043567401} is an apocalyptic number.

It is an amenable number.

36561043567401 is a deficient number, since it is larger than the sum of its proper divisors (14314833468759).

36561043567401 is a wasteful number, since it uses less digits than its factorization.

36561043567401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86855856.

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

The spelling of 36561043567401 in words is "thirty-six trillion, five hundred sixty-one billion, forty-three million, five hundred sixty-seven thousand, four hundred one".