120115155150 has 144 divisors (see below), whose sum is σ = 349212898944. Its totient is φ = 30637997280.

The previous prime is 120115155031. The next prime is 120115155157. The reversal of 120115155150 is 51551511021.

It is a happy number.

120115155150 is a `hidden beast` number, since 1 + 2 + 0 + 11 + 51 + 551 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120115155157) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64537 + ... + 494363.

It is an arithmetic number, because the mean of its divisors is an integer number (2425089576).

Almost surely, 2^120115155150 is an apocalyptic number.

120115155150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120115155150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174606449472).

120115155150 is an abundant number, since it is smaller than the sum of its proper divisors (229097743794).

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

120115155150 is a wasteful number, since it uses less digits than its factorization.

120115155150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429877 (or 429860 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

Adding to 120115155150 its reverse (51551511021), we get a palindrome (171666666171).

The spelling of 120115155150 in words is "one hundred twenty billion, one hundred fifteen million, one hundred fifty-five thousand, one hundred fifty".