11284937818 has 16 divisors (see below), whose sum is σ = 21104299584. Its totient is φ = 4396728960.

The previous prime is 11284937813. The next prime is 11284937819. The reversal of 11284937818 is 81873948211.

It is a super-2 number, since 2×11284937818² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11284937813) 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, 36639255 + ... + 36639562.

It is an arithmetic number, because the mean of its divisors is an integer number (1319018724).

Almost surely, 2^11284937818 is an apocalyptic number.

11284937818 is a deficient number, since it is larger than the sum of its proper divisors (9819361766).

11284937818 is a wasteful number, since it uses less digits than its factorization.

11284937818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73278837.

The product of its digits is 774144, while the sum is 52.

It can be divided in two parts, 1128493 and 7818, that added together give a palindrome (1136311).

The spelling of 11284937818 in words is "eleven billion, two hundred eighty-four million, nine hundred thirty-seven thousand, eight hundred eighteen".