120500511616 has 32 divisors (see below), whose sum is σ = 240082520400. Its totient is φ = 60244506624.

The previous prime is 120500511611. The next prime is 120500511679. The reversal of 120500511616 is 616115005021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500511611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511605 + ... + 1589323.

Almost surely, 2^120500511616 is an apocalyptic number.

120500511616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120500511616 is a deficient number, since it is larger than the sum of its proper divisors (119582008784).

120500511616 is an equidigital number, since it uses as much as digits as its factorization.

120500511616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89846 (or 89834 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 120500511616 its reverse (616115005021), we get a palindrome (736615516637).

The spelling of 120500511616 in words is "one hundred twenty billion, five hundred million, five hundred eleven thousand, six hundred sixteen".