11621831300 has 72 divisors (see below), whose sum is σ = 25899691272. Its totient is φ = 4523904000.

The previous prime is 11621831279. The next prime is 11621831311. The reversal of 11621831300 is 313812611.

It can be written as a sum of positive squares in 12 ways, for example, as 6198097984 + 5423733316 = 78728^2 + 73646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11621831300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1722734 + ... + 1729466.

Almost surely, 2^11621831300 is an apocalyptic number.

11621831300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11621831300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12949845636).

11621831300 is an abundant number, since it is smaller than the sum of its proper divisors (14277859972).

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

11621831300 is a wasteful number, since it uses less digits than its factorization.

11621831300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11621831300 in words is "eleven billion, six hundred twenty-one million, eight hundred thirty-one thousand, three hundred".