36183538988978 has 4 divisors (see below), whose sum is σ = 54275308483470. Its totient is φ = 18091769494488.

The previous prime is 36183538988969. The next prime is 36183538989041. The reversal of 36183538988978 is 87988983538163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31351970114089 + 4831568874889 = 5599283^2 + 2198083^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36183538988978.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9045884747243 + ... + 9045884747246.

Almost surely, 2^{36183538988978} is an apocalyptic number.

36183538988978 is a deficient number, since it is larger than the sum of its proper divisors (18091769494492).

36183538988978 is a wasteful number, since it uses less digits than its factorization.

36183538988978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18091769494491.

The product of its digits is 15049359360, while the sum is 86.

The spelling of 36183538988978 in words is "thirty-six trillion, one hundred eighty-three billion, five hundred thirty-eight million, nine hundred eighty-eight thousand, nine hundred seventy-eight".