2115576512 has 28 divisors (see below), whose sum is σ = 4797826320. Its totient is φ = 906675456.

The previous prime is 2115576503. The next prime is 2115576517. The reversal of 2115576512 is 2156755112.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×2115576512² = 8951327956252172288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115576517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360687 + ... + 2361582.

It is an arithmetic number, because the mean of its divisors is an integer number (171350940).

Almost surely, 2^2115576512 is an apocalyptic number.

It is an amenable number.

2115576512 is an abundant number, since it is smaller than the sum of its proper divisors (2682249808).

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

2115576512 is an equidigital number, since it uses as much as digits as its factorization.

2115576512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722288 (or 4722278 counting only the distinct ones).

The product of its digits is 21000, while the sum is 35.

The square root of 2115576512 is about 45995.3966392290. The cubic root of 2115576512 is about 1283.7375524260.

The spelling of 2115576512 in words is "two billion, one hundred fifteen million, five hundred seventy-six thousand, five hundred twelve".