36554240561 has 8 divisors (see below), whose sum is σ = 38266210944. Its totient is φ = 34852491520.

The previous prime is 36554240501. The next prime is 36554240579. The reversal of 36554240561 is 16504245563.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36554240561 - 2³⁴ = 19374371377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36554240501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2548016 + ... + 2562321.

It is an arithmetic number, because the mean of its divisors is an integer number (4783276368).

Almost surely, 2^36554240561 is an apocalyptic number.

It is an amenable number.

36554240561 is a deficient number, since it is larger than the sum of its proper divisors (1711970383).

36554240561 is a wasteful number, since it uses less digits than its factorization.

36554240561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110671.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 36554240561 in words is "thirty-six billion, five hundred fifty-four million, two hundred forty thousand, five hundred sixty-one".