108521489476 has 27 divisors (see below), whose sum is σ = 201761897239. Its totient is φ = 51063665408.

The previous prime is 108521489449. The next prime is 108521489491. The reversal of 108521489476 is 674984125801.

The square root of 108521489476 is 329426.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13025656900 + 95495832576 = 114130^2 + 309024^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11195640 + ... + 11205328.

Almost surely, 2^108521489476 is an apocalyptic number.

108521489476 is the 329426-th square number.

It is an amenable number.

108521489476 is a deficient number, since it is larger than the sum of its proper divisors (93240407763).

108521489476 is an frugal number, since it uses more digits than its factorization.

108521489476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 108521489476 in words is "one hundred eight billion, five hundred twenty-one million, four hundred eighty-nine thousand, four hundred seventy-six".