1018080503711 has 4 divisors (see below), whose sum is σ = 1039741791072. Its totient is φ = 996419216352.

The previous prime is 1018080503707. The next prime is 1018080503723. The reversal of 1018080503711 is 1173050808101.

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 1018080503711 - 2² = 1018080503707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018080503731) 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, 10830643610 + ... + 10830643703.

It is an arithmetic number, because the mean of its divisors is an integer number (259935447768).

Almost surely, 2^{1018080503711} is an apocalyptic number.

1018080503711 is a deficient number, since it is larger than the sum of its proper divisors (21661287361).

1018080503711 is an equidigital number, since it uses as much as digits as its factorization.

1018080503711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661287360.

The product of its (nonzero) digits is 6720, while the sum is 35.

The spelling of 1018080503711 in words is "one trillion, eighteen billion, eighty million, five hundred three thousand, seven hundred eleven".