120143312552544 has 48 divisors (see below), whose sum is σ = 315419932699200. Its totient is φ = 40042216914560.

The previous prime is 120143312552509. The next prime is 120143312552561. The reversal of 120143312552544 is 445255213341021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 120143312552496 and 120143312552505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86084394 + ... + 87468905.

It is an arithmetic number, because the mean of its divisors is an integer number (6571248597900).

Almost surely, 2^{120143312552544} is an apocalyptic number.

It is an amenable number.

120143312552544 is an abundant number, since it is smaller than the sum of its proper divisors (195276620146656).

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

120143312552544 is a wasteful number, since it uses less digits than its factorization.

120143312552544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173560523 (or 173560515 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 120143312552544 its reverse (445255213341021), we get a palindrome (565398525893565).

The spelling of 120143312552544 in words is "one hundred twenty trillion, one hundred forty-three billion, three hundred twelve million, five hundred fifty-two thousand, five hundred forty-four".