1018173061883 has 4 divisors (see below), whose sum is σ = 1053282477840. Its totient is φ = 983063645928.

The previous prime is 1018173061861. The next prime is 1018173061909. The reversal of 1018173061883 is 3881603718101.

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

It is a cyclic number.

It is not a de Polignac number, because 1018173061883 - 2²² = 1018168867579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018173061813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17554707935 + ... + 17554707992.

It is an arithmetic number, because the mean of its divisors is an integer number (263320619460).

Almost surely, 2^{1018173061883} is an apocalyptic number.

1018173061883 is a deficient number, since it is larger than the sum of its proper divisors (35109415957).

1018173061883 is an equidigital number, since it uses as much as digits as its factorization.

1018173061883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109415956.

The product of its (nonzero) digits is 193536, while the sum is 47.

Adding to 1018173061883 its reverse (3881603718101), we get a palindrome (4899776779984).

The spelling of 1018173061883 in words is "one trillion, eighteen billion, one hundred seventy-three million, sixty-one thousand, eight hundred eighty-three".