108691552508 has 48 divisors (see below), whose sum is σ = 237192012288. Its totient is φ = 42339000000.

The previous prime is 108691552507. The next prime is 108691552531. The reversal of 108691552508 is 805255196801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108691552507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662233 + ... + 1726383.

It is an arithmetic number, because the mean of its divisors is an integer number (4941500256).

Almost surely, 2^108691552508 is an apocalyptic number.

It is an amenable number.

108691552508 is an abundant number, since it is smaller than the sum of its proper divisors (128500459780).

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

108691552508 is a wasteful number, since it uses less digits than its factorization.

108691552508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69674 (or 69672 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 108691552508 in words is "one hundred eight billion, six hundred ninety-one million, five hundred fifty-two thousand, five hundred eight".