18777852141082 has 8 divisors (see below), whose sum is σ = 28166797530900. Its totient is φ = 9388919630784.

The previous prime is 18777852141079. The next prime is 18777852141161. The reversal of 18777852141082 is 28014125877781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16662977084961 + 2114875056121 = 4082031^2 + 1454261^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18777852141082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356594 + ... + 6565762.

Almost surely, 2^{18777852141082} is an apocalyptic number.

18777852141082 is a deficient number, since it is larger than the sum of its proper divisors (9388945389818).

18777852141082 is a wasteful number, since it uses less digits than its factorization.

18777852141082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439760.

The product of its (nonzero) digits is 14049280, while the sum is 61.

The spelling of 18777852141082 in words is "eighteen trillion, seven hundred seventy-seven billion, eight hundred fifty-two million, one hundred forty-one thousand, eighty-two".