11551010120 has 32 divisors (see below), whose sum is σ = 27988987320. Its totient is φ = 4264988160.

The previous prime is 11551010117. The next prime is 11551010153. The reversal of 11551010120 is 2101015511.

11551010120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3288563716 + 8262446404 = 57346^2 + 90898^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11106221 + ... + 11107260.

Almost surely, 2^11551010120 is an apocalyptic number.

11551010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11551010120 is an abundant number, since it is smaller than the sum of its proper divisors (16437977200).

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

11551010120 is a wasteful number, since it uses less digits than its factorization.

11551010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22213505 (or 22213501 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

Adding to 11551010120 its reverse (2101015511), we get a palindrome (13652025631).

The spelling of 11551010120 in words is "eleven billion, five hundred fifty-one million, ten thousand, one hundred twenty".