120505415824 has 20 divisors (see below), whose sum is σ = 247213316844. Its totient is φ = 56708430848.

The previous prime is 120505415813. The next prime is 120505415827. The reversal of 120505415824 is 428514505021.

It can be written as a sum of positive squares in 2 ways, for example, as 50104345600 + 70401070224 = 223840^2 + 265332^2 .

It is not an unprimeable number, because it can be changed into a prime (120505415827) 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 3 ways as a sum of consecutive naturals, for example, 221517037 + ... + 221517580.

Almost surely, 2^120505415824 is an apocalyptic number.

It is an amenable number.

120505415824 is an abundant number, since it is smaller than the sum of its proper divisors (126707901020).

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

120505415824 is a wasteful number, since it uses less digits than its factorization.

120505415824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443034642 (or 443034636 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 120505415824 in words is "one hundred twenty billion, five hundred five million, four hundred fifteen thousand, eight hundred twenty-four".