36561525506742 has 8 divisors (see below), whose sum is σ = 73123051013496. Its totient is φ = 12187175168912.

The previous prime is 36561525506729. The next prime is 36561525506819. The reversal of 36561525506742 is 24760552516563.

It is a happy number.

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

36561525506742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 3046793792223 + ... + 3046793792234.

It is an arithmetic number, because the mean of its divisors is an integer number (9140381376687).

Almost surely, 2^{36561525506742} is an apocalyptic number.

36561525506742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36561525506742 is a wasteful number, since it uses less digits than its factorization.

36561525506742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093587584462.

The product of its (nonzero) digits is 45360000, while the sum is 57.

The spelling of 36561525506742 in words is "thirty-six trillion, five hundred sixty-one billion, five hundred twenty-five million, five hundred six thousand, seven hundred forty-two".