102866828545 has 16 divisors (see below), whose sum is σ = 133521232320. Its totient is φ = 75628545984.

The previous prime is 102866828543. The next prime is 102866828549. The reversal of 102866828545 is 545828668201.

It is a cyclic number.

It is not a de Polignac number, because 102866828545 - 2¹ = 102866828543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102866828543) 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, 3471075 + ... + 3500584.

It is an arithmetic number, because the mean of its divisors is an integer number (8345077020).

Almost surely, 2^102866828545 is an apocalyptic number.

It is an amenable number.

102866828545 is a deficient number, since it is larger than the sum of its proper divisors (30654403775).

102866828545 is a wasteful number, since it uses less digits than its factorization.

102866828545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971904.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 102866828545 in words is "one hundred two billion, eight hundred sixty-six million, eight hundred twenty-eight thousand, five hundred forty-five".