2115565165110 has 32 divisors (see below), whose sum is σ = 5173155577440. Its totient is φ = 553506357248.

The previous prime is 2115565165069. The next prime is 2115565165139. The reversal of 2115565165110 is 115615655112.

It is a super-2 number, since 2×2115565165110² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 665270475 + ... + 665273654.

It is an arithmetic number, because the mean of its divisors is an integer number (161661111795).

Almost surely, 2^{2115565165110} is an apocalyptic number.

2115565165110 is an abundant number, since it is smaller than the sum of its proper divisors (3057590412330).

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

2115565165110 is a wasteful number, since it uses less digits than its factorization.

2115565165110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330544192.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 2115565165110 in words is "two trillion, one hundred fifteen billion, five hundred sixty-five million, one hundred sixty-five thousand, one hundred ten".