102816589091 has 8 divisors (see below), whose sum is σ = 103260263568. Its totient is φ = 102373056000.

The previous prime is 102816589039. The next prime is 102816589147. The reversal of 102816589091 is 190985618201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102816589091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102816589591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580651 + ... + 1644411.

It is an arithmetic number, because the mean of its divisors is an integer number (12907532946).

Almost surely, 2^102816589091 is an apocalyptic number.

102816589091 is a deficient number, since it is larger than the sum of its proper divisors (443674477).

102816589091 is an equidigital number, since it uses as much as digits as its factorization.

102816589091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70693.

The product of its (nonzero) digits is 311040, while the sum is 50.

The spelling of 102816589091 in words is "one hundred two billion, eight hundred sixteen million, five hundred eighty-nine thousand, ninety-one".