11873051136 has 60 divisors (see below), whose sum is σ = 34266442782. Its totient is φ = 3957682176.

The previous prime is 11873051117. The next prime is 11873051213. The reversal of 11873051136 is 63115037811.

11873051136 is a `hidden beast` number, since 1 + 1 + 87 + 30 + 511 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11303942400 + 569108736 = 106320^2 + 23856^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11873051136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1283701 + ... + 1292916.

Almost surely, 2^11873051136 is an apocalyptic number.

11873051136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11873051136 is an abundant number, since it is smaller than the sum of its proper divisors (22393391646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11873051136 is an equidigital number, since it uses as much as digits as its factorization.

11873051136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576641 (or 2576622 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Adding to 11873051136 its reverse (63115037811), we get a palindrome (74988088947).

The spelling of 11873051136 in words is "eleven billion, eight hundred seventy-three million, fifty-one thousand, one hundred thirty-six".