120515341140 has 36 divisors (see below), whose sum is σ = 365563202004. Its totient is φ = 32137424256.

The previous prime is 120515341139. The next prime is 120515341147. The reversal of 120515341140 is 41143515021.

120515341140 is a `hidden beast` number, since 1 + 2 + 0 + 515 + 3 + 4 + 1 + 140 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22954068036 + 97561273104 = 151506^2 + 312348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120515341147) 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 11 ways as a sum of consecutive naturals, for example, 334764657 + ... + 334765016.

It is an arithmetic number, because the mean of its divisors is an integer number (10154533389).

Almost surely, 2^120515341140 is an apocalyptic number.

120515341140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120515341140 is an abundant number, since it is smaller than the sum of its proper divisors (245047860864).

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

120515341140 is a wasteful number, since it uses less digits than its factorization.

120515341140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669529688 (or 669529683 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 120515341140 its reverse (41143515021), we get a palindrome (161658856161).

The spelling of 120515341140 in words is "one hundred twenty billion, five hundred fifteen million, three hundred forty-one thousand, one hundred forty".