2115550230120 has 96 divisors (see below), whose sum is σ = 6877783617120. Its totient is φ = 563962492800.

The previous prime is 2115550230119. The next prime is 2115550230149. The reversal of 2115550230120 is 210320555112.

2115550230120 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 5 + 502 + 30 + 120 = 666.

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, 146095 + ... + 2062145.

It is an arithmetic number, because the mean of its divisors is an integer number (71643579345).

Almost surely, 2^{2115550230120} is an apocalyptic number.

2115550230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115550230120 is an abundant number, since it is smaller than the sum of its proper divisors (4762233387000).

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

2115550230120 is a wasteful number, since it uses less digits than its factorization.

2115550230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919135 (or 1919128 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 2115550230120 its reverse (210320555112), we get a palindrome (2325870785232).

The spelling of 2115550230120 in words is "two trillion, one hundred fifteen billion, five hundred fifty million, two hundred thirty thousand, one hundred twenty".