2115565165112 has 48 divisors (see below), whose sum is σ = 4614529754520. Its totient is φ = 906626952000.

The previous prime is 2115565165069. The next prime is 2115565165139. The reversal of 2115565165112 is 2115615655112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115565165112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8760062 + ... + 8998322.

Almost surely, 2^{2115565165112} is an apocalyptic number.

It is an amenable number.

2115565165112 is an abundant number, since it is smaller than the sum of its proper divisors (2498964589408).

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

2115565165112 is a wasteful number, since it uses less digits than its factorization.

2115565165112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260932 (or 260921 counting only the distinct ones).

The product of its digits is 90000, while the sum is 41.

The spelling of 2115565165112 in words is "two trillion, one hundred fifteen billion, five hundred sixty-five million, one hundred sixty-five thousand, one hundred twelve".