18351355711162 has 4 divisors (see below), whose sum is σ = 27527033566746. Its totient is φ = 9175677855580.

The previous prime is 18351355711153. The next prime is 18351355711243. The reversal of 18351355711162 is 26111755315381.

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., 17891453369241 + 459902341921 = 4229829^2 + 678161^2 .

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 as a sum of consecutive naturals, namely, 4587838927789 + ... + 4587838927792.

Almost surely, 2^{18351355711162} is an apocalyptic number.

18351355711162 is a deficient number, since it is larger than the sum of its proper divisors (9175677855584).

18351355711162 is an equidigital number, since it uses as much as digits as its factorization.

18351355711162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175677855583.

The product of its digits is 756000, while the sum is 49.

The spelling of 18351355711162 in words is "eighteen trillion, three hundred fifty-one billion, three hundred fifty-five million, seven hundred eleven thousand, one hundred sixty-two".