2155067016012 has 72 divisors (see below), whose sum is σ = 5490794941632. Its totient is φ = 712653832800.

The previous prime is 2155067015963. The next prime is 2155067016023. The reversal of 2155067016012 is 2106107605512.

2155067016012 is a `hidden beast` number, since 2 + 15 + 506 + 70 + 1 + 60 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15716187 + ... + 15852717.

It is an arithmetic number, because the mean of its divisors is an integer number (76261040856).

Almost surely, 2^{2155067016012} is an apocalyptic number.

It is an amenable number.

2155067016012 is an abundant number, since it is smaller than the sum of its proper divisors (3335727925620).

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

2155067016012 is a wasteful number, since it uses less digits than its factorization.

2155067016012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140019 (or 140014 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 2155067016012 in words is "two trillion, one hundred fifty-five billion, sixty-seven million, sixteen thousand, twelve".