2115551104116 has 48 divisors (see below), whose sum is σ = 5069854263936. Its totient is φ = 686103675264.

The previous prime is 2115551104111. The next prime is 2115551104171. The reversal of 2115551104116 is 6114011555112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115551104111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21870690 + ... + 21967206.

It is an arithmetic number, because the mean of its divisors is an integer number (105621963832).

Almost surely, 2^{2115551104116} is an apocalyptic number.

It is an amenable number.

2115551104116 is an abundant number, since it is smaller than the sum of its proper divisors (2954303159820).

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

2115551104116 is a wasteful number, since it uses less digits than its factorization.

2115551104116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145928 (or 145926 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 33.

Adding to 2115551104116 its reverse (6114011555112), we get a palindrome (8229562659228).

The spelling of 2115551104116 in words is "two trillion, one hundred fifteen billion, five hundred fifty-one million, one hundred four thousand, one hundred sixteen".