11551021350 has 48 divisors (see below), whose sum is σ = 31250767680. Its totient is φ = 2800247200.

The previous prime is 11551021303. The next prime is 11551021351. The reversal of 11551021350 is 5312015511.

11551021350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11551021350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551021351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3498660 + ... + 3501959.

It is an arithmetic number, because the mean of its divisors is an integer number (651057660).

Almost surely, 2^11551021350 is an apocalyptic number.

11551021350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551021350 is an abundant number, since it is smaller than the sum of its proper divisors (19699746330).

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

11551021350 is a wasteful number, since it uses less digits than its factorization.

11551021350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000645 (or 7000640 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 11551021350 its reverse (5312015511), we get a palindrome (16863036861).

The spelling of 11551021350 in words is "eleven billion, five hundred fifty-one million, twenty-one thousand, three hundred fifty".