2115911106 has 32 divisors (see below), whose sum is σ = 4706046720. Its totient is φ = 704700432.

The previous prime is 2115911099. The next prime is 2115911111. The reversal of 2115911106 is 6011195112.

It is a super-3 number, since 3×2115911106³ (a number of 29 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2115911106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49351 + ... + 81653.

It is an arithmetic number, because the mean of its divisors is an integer number (147063960).

Almost surely, 2^2115911106 is an apocalyptic number.

2115911106 is an abundant number, since it is smaller than the sum of its proper divisors (2590135614).

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

2115911106 is a wasteful number, since it uses less digits than its factorization.

2115911106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33527 (or 33521 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 27.

The square root of 2115911106 is about 45999.0337507213. The cubic root of 2115911106 is about 1283.8052263733.

The spelling of 2115911106 in words is "two billion, one hundred fifteen million, nine hundred eleven thousand, one hundred six".