120156433320552 has 32 divisors (see below), whose sum is σ = 300396490423200. Its totient is φ = 40051423490624.

The previous prime is 120156433320527. The next prime is 120156433320569. The reversal of 120156433320552 is 255023334651021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43697418 + ... + 46365689.

It is an arithmetic number, because the mean of its divisors is an integer number (9387390325725).

Almost surely, 2^{120156433320552} is an apocalyptic number.

120156433320552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120156433320552 is an abundant number, since it is smaller than the sum of its proper divisors (180240057102648).

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

120156433320552 is a wasteful number, since it uses less digits than its factorization.

120156433320552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90118705 (or 90118701 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 120156433320552 its reverse (255023334651021), we get a palindrome (375179767971573).

The spelling of 120156433320552 in words is "one hundred twenty trillion, one hundred fifty-six billion, four hundred thirty-three million, three hundred twenty thousand, five hundred fifty-two".