120511504647480 has 384 divisors, whose sum is σ = 389176625272320. Its totient is φ = 29842572856320.

The previous prime is 120511504647467. The next prime is 120511504647487. The reversal of 120511504647480 is 84746405115021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120511504647487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 531986319 + ... + 532212801.

It is an arithmetic number, because the mean of its divisors is an integer number (1013480794980).

Almost surely, 2^{120511504647480} is an apocalyptic number.

120511504647480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120511504647480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194588312636160).

120511504647480 is an abundant number, since it is smaller than the sum of its proper divisors (268665120624840).

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

120511504647480 is a wasteful number, since it uses less digits than its factorization.

120511504647480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226779 (or 226756 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 120511504647480 in words is "one hundred twenty trillion, five hundred eleven billion, five hundred four million, six hundred forty-seven thousand, four hundred eighty".