1118785011 has 8 divisors (see below), whose sum is σ = 1579461264. Its totient is φ = 701982720.

The previous prime is 1118785001. The next prime is 1118785013. The reversal of 1118785011 is 1105878111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118785011 - 2¹⁴ = 1118768627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118785013) 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, 10968430 + ... + 10968531.

It is an arithmetic number, because the mean of its divisors is an integer number (197432658).

Almost surely, 2^1118785011 is an apocalyptic number.

1118785011 is a deficient number, since it is larger than the sum of its proper divisors (460676253).

1118785011 is a wasteful number, since it uses less digits than its factorization.

1118785011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21936981.

The product of its (nonzero) digits is 2240, while the sum is 33.

The square root of 1118785011 is about 33448.2437655552. The cubic root of 1118785011 is about 1038.1231593055.

The spelling of 1118785011 in words is "one billion, one hundred eighteen million, seven hundred eighty-five thousand, eleven".