1018944077803 has 4 divisors (see below), whose sum is σ = 1018967281200. Its totient is φ = 1018920874408.

The previous prime is 1018944077791. The next prime is 1018944077941. The reversal of 1018944077803 is 3087704498101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018944077803 is a prime.

It is a super-2 number, since 2×1018944077803² (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 (1018044077803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11535703 + ... + 11623696.

It is an arithmetic number, because the mean of its divisors is an integer number (254741820300).

Almost surely, 2^{1018944077803} is an apocalyptic number.

1018944077803 is a deficient number, since it is larger than the sum of its proper divisors (23203397).

1018944077803 is an equidigital number, since it uses as much as digits as its factorization.

1018944077803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23203396.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 1018944077803 in words is "one trillion, eighteen billion, nine hundred forty-four million, seventy-seven thousand, eight hundred three".