11810681300 has 72 divisors (see below), whose sum is σ = 28016436000. Its totient is φ = 4285987200.

The previous prime is 11810681299. The next prime is 11810681321. The reversal of 11810681300 is 318601811.

It is a congruent number.

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, 538142 + ... + 559658.

Almost surely, 2^11810681300 is an apocalyptic number.

11810681300 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 11810681300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14008218000).

11810681300 is an abundant number, since it is smaller than the sum of its proper divisors (16205754700).

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

11810681300 is a wasteful number, since it uses less digits than its factorization.

11810681300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22041 (or 22034 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 11810681300 in words is "eleven billion, eight hundred ten million, six hundred eighty-one thousand, three hundred".