2861415614128 has 40 divisors (see below), whose sum is σ = 5803434556416. Its totient is φ = 1365055137600.

The previous prime is 2861415614117. The next prime is 2861415614137. The reversal of 2861415614128 is 8214165141682.

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, 40591426 + ... + 40661857.

Almost surely, 2^{2861415614128} is an apocalyptic number.

It is an amenable number.

2861415614128 is an abundant number, since it is smaller than the sum of its proper divisors (2942018942288).

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

2861415614128 is a wasteful number, since it uses less digits than its factorization.

2861415614128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81253393 (or 81253387 counting only the distinct ones).

The product of its digits is 737280, while the sum is 49.

The spelling of 2861415614128 in words is "two trillion, eight hundred sixty-one billion, four hundred fifteen million, six hundred fourteen thousand, one hundred twenty-eight".