11678518292 has 54 divisors (see below), whose sum is σ = 24185320362. Its totient is φ = 4919959968.

The previous prime is 11678518261. The next prime is 11678518337. The reversal of 11678518292 is 29281587611.

It can be written as a sum of positive squares in only one way, i.e., 6028590736 + 5649927556 = 77644^2 + 75166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11678518292.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 673718 + ... + 690834.

It is an arithmetic number, because the mean of its divisors is an integer number (447876303).

Almost surely, 2^11678518292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11678518292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12092660181).

11678518292 is an abundant number, since it is smaller than the sum of its proper divisors (12506802070).

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

11678518292 is a wasteful number, since it uses less digits than its factorization.

11678518292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17253 (or 17185 counting only the distinct ones).

The product of its digits is 483840, while the sum is 50.

The spelling of 11678518292 in words is "eleven billion, six hundred seventy-eight million, five hundred eighteen thousand, two hundred ninety-two".