102115552110 has 128 divisors (see below), whose sum is σ = 288756969984. Its totient is φ = 22784847360.

The previous prime is 102115552109. The next prime is 102115552141. The reversal of 102115552110 is 11255511201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454332 + ... + 1522928.

It is an arithmetic number, because the mean of its divisors is an integer number (2255913828).

Almost surely, 2^102115552110 is an apocalyptic number.

102115552110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102115552110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144378484992).

102115552110 is an abundant number, since it is smaller than the sum of its proper divisors (186641417874).

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

102115552110 is a wasteful number, since it uses less digits than its factorization.

102115552110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68978.

The product of its (nonzero) digits is 500, while the sum is 24.

The spelling of 102115552110 in words is "one hundred two billion, one hundred fifteen million, five hundred fifty-two thousand, one hundred ten".