120115155104 has 72 divisors (see below), whose sum is σ = 287045464608. Its totient is φ = 49239738240.

The previous prime is 120115155031. The next prime is 120115155157. The reversal of 120115155104 is 401551511021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1629242 + ... + 1701369.

It is an arithmetic number, because the mean of its divisors is an integer number (3986742564).

Almost surely, 2^120115155104 is an apocalyptic number.

120115155104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120115155104 is an abundant number, since it is smaller than the sum of its proper divisors (166930309504).

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

120115155104 is a wasteful number, since it uses less digits than its factorization.

120115155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330658 (or 3330643 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 26.

Adding to 120115155104 its reverse (401551511021), we get a palindrome (521666666125).

The spelling of 120115155104 in words is "one hundred twenty billion, one hundred fifteen million, one hundred fifty-five thousand, one hundred four".