1118579711 has 4 divisors (see below), whose sum is σ = 1118758992. Its totient is φ = 1118400432.

The previous prime is 1118579641. The next prime is 1118579717. The reversal of 1118579711 is 1179758111.

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-1118579711 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 (1118579717) 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, 79931 + ... + 92876.

It is an arithmetic number, because the mean of its divisors is an integer number (279689748).

Almost surely, 2^1118579711 is an apocalyptic number.

1118579711 is a deficient number, since it is larger than the sum of its proper divisors (179281).

1118579711 is an equidigital number, since it uses as much as digits as its factorization.

1118579711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179280.

The product of its digits is 17640, while the sum is 41.

The square root of 1118579711 is about 33445.1747042828. The cubic root of 1118579711 is about 1038.0596559752.

The spelling of 1118579711 in words is "one billion, one hundred eighteen million, five hundred seventy-nine thousand, seven hundred eleven".