1334388018881 has 4 divisors (see below), whose sum is σ = 1366934068164. Its totient is φ = 1301841969600.

The previous prime is 1334388018857. The next prime is 1334388018883. The reversal of 1334388018881 is 1888108834331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 523741690000 + 810646328881 = 723700^2 + 900359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334388018881 - 2²² = 1334383824577 is a prime.

It is a super-2 number, since 2×1334388018881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334388018883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16273024580 + ... + 16273024661.

It is an arithmetic number, because the mean of its divisors is an integer number (341733517041).

Almost surely, 2^{1334388018881} is an apocalyptic number.

It is an amenable number.

1334388018881 is a deficient number, since it is larger than the sum of its proper divisors (32546049283).

1334388018881 is an equidigital number, since it uses as much as digits as its factorization.

1334388018881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32546049282.

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 1334388018881 in words is "one trillion, three hundred thirty-four billion, three hundred eighty-eight million, eighteen thousand, eight hundred eighty-one".