3105155250120 has 256 divisors, whose sum is σ = 11634235545600. Its totient is φ = 644107714560.

The previous prime is 3105155250083. The next prime is 3105155250149. The reversal of 3105155250120 is 210525515013.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5040271 + ... + 5622689.

It is an arithmetic number, because the mean of its divisors is an integer number (45446232600).

Almost surely, 2^{3105155250120} is an apocalyptic number.

3105155250120 is a gapful number since it is divisible by the number (30) 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 3105155250120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5817117772800).

3105155250120 is an abundant number, since it is smaller than the sum of its proper divisors (8529080295480).

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

3105155250120 is a wasteful number, since it uses less digits than its factorization.

3105155250120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583028 (or 583024 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 3105155250120 in words is "three trillion, one hundred five billion, one hundred fifty-five million, two hundred fifty thousand, one hundred twenty".