36618254522 has 4 divisors (see below), whose sum is σ = 54927381786. Its totient is φ = 18309127260.

The previous prime is 36618254489. The next prime is 36618254581. The reversal of 36618254522 is 22545281663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22545281663 = 17 ⋅1326193039.

It can be written as a sum of positive squares in only one way, i.e., 34202433721 + 2415820801 = 184939^2 + 49151^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9154563629 + ... + 9154563632.

Almost surely, 2^36618254522 is an apocalyptic number.

36618254522 is a deficient number, since it is larger than the sum of its proper divisors (18309127264).

36618254522 is a wasteful number, since it uses less digits than its factorization.

36618254522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18309127263.

The product of its digits is 691200, while the sum is 44.

The spelling of 36618254522 in words is "thirty-six billion, six hundred eighteen million, two hundred fifty-four thousand, five hundred twenty-two".