108521512 has 48 divisors (see below), whose sum is σ = 226951200. Its totient is φ = 48602400.

The previous prime is 108521507. The next prime is 108521519. The reversal of 108521512 is 215125801.

It is a super-2 number, since 2×108521512² = 23553837133532288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108521519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67939 + ... + 69517.

It is an arithmetic number, because the mean of its divisors is an integer number (4728150).

Almost surely, 2^108521512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108521512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113475600).

108521512 is an abundant number, since it is smaller than the sum of its proper divisors (118429688).

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

108521512 is a wasteful number, since it uses less digits than its factorization.

108521512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 108521512 is about 10417.3658858658. The cubic root of 108521512 is about 476.9856116565.

The spelling of 108521512 in words is "one hundred eight million, five hundred twenty-one thousand, five hundred twelve".