36542255032561 has 4 divisors (see below), whose sum is σ = 36731593141732. Its totient is φ = 36352916923392.

The previous prime is 36542255032501. The next prime is 36542255032567. The reversal of 36542255032561 is 16523055224563.

It is a happy number.

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 19168363792561 + 17373891240000 = 4378169^2 + 4168200^2 .

It is a cyclic number.

It is not a de Polignac number, because 36542255032561 - 2²³ = 36542246643953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36542255032567) 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, 94669054296 + ... + 94669054681.

It is an arithmetic number, because the mean of its divisors is an integer number (9182898285433).

Almost surely, 2^{36542255032561} is an apocalyptic number.

It is an amenable number.

36542255032561 is a deficient number, since it is larger than the sum of its proper divisors (189338109171).

36542255032561 is a wasteful number, since it uses less digits than its factorization.

36542255032561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189338109170.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 36542255032561 in words is "thirty-six trillion, five hundred forty-two billion, two hundred fifty-five million, thirty-two thousand, five hundred sixty-one".