11071205018 has 16 divisors (see below), whose sum is σ = 17781252840. Its totient is φ = 5151438336.

The previous prime is 11071205017. The next prime is 11071205021. The reversal of 11071205018 is 81050217011.

It can be written as a sum of positive squares in 4 ways, for example, as 5412103489 + 5659101529 = 73567^2 + 75227^2 .

It is not an unprimeable number, because it can be changed into a prime (11071205017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826321 + ... + 1832372.

Almost surely, 2^11071205018 is an apocalyptic number.

11071205018 is a deficient number, since it is larger than the sum of its proper divisors (6710047822).

11071205018 is a wasteful number, since it uses less digits than its factorization.

11071205018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658801.

The product of its (nonzero) digits is 560, while the sum is 26.

The spelling of 11071205018 in words is "eleven billion, seventy-one million, two hundred five thousand, eighteen".