11321251100 has 18 divisors (see below), whose sum is σ = 24567115104. Its totient is φ = 4528500400.

The previous prime is 11321251093. The next prime is 11321251121. The reversal of 11321251100 is 115212311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56606156 + ... + 56606355.

It is an arithmetic number, because the mean of its divisors is an integer number (1364839728).

Almost surely, 2^11321251100 is an apocalyptic number.

11321251100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321251100 is an abundant number, since it is smaller than the sum of its proper divisors (13245864004).

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

11321251100 is a wasteful number, since it uses less digits than its factorization.

11321251100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113212525 (or 113212518 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11321251100 its reverse (115212311), we get a palindrome (11436463411).

The spelling of 11321251100 in words is "eleven billion, three hundred twenty-one million, two hundred fifty-one thousand, one hundred".