2175116615220 has 96 divisors (see below), whose sum is σ = 6096557230848. Its totient is φ = 579438047232.

The previous prime is 2175116615167. The next prime is 2175116615251. The reversal of 2175116615220 is 225166115712.

It is a super-3 number, since 3×2175116615220³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443627289 + ... + 443632191.

It is an arithmetic number, because the mean of its divisors is an integer number (63505804488).

Almost surely, 2^{2175116615220} is an apocalyptic number.

2175116615220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2175116615220 is an abundant number, since it is smaller than the sum of its proper divisors (3921440615628).

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

2175116615220 is a wasteful number, since it uses less digits than its factorization.

2175116615220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969 (or 10967 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 2175116615220 in words is "two trillion, one hundred seventy-five billion, one hundred sixteen million, six hundred fifteen thousand, two hundred twenty".