102238685553 has 16 divisors (see below), whose sum is σ = 137680047360. Its totient is φ = 67481522304.

The previous prime is 102238685519. The next prime is 102238685567. The reversal of 102238685553 is 355586832201.

It is not a de Polignac number, because 102238685553 - 2¹⁶ = 102238620017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102238685573) 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, 288076 + ... + 536157.

It is an arithmetic number, because the mean of its divisors is an integer number (8605002960).

Almost surely, 2^102238685553 is an apocalyptic number.

It is an amenable number.

102238685553 is a deficient number, since it is larger than the sum of its proper divisors (35441361807).

102238685553 is a wasteful number, since it uses less digits than its factorization.

102238685553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824648.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 102238685553 in words is "one hundred two billion, two hundred thirty-eight million, six hundred eighty-five thousand, five hundred fifty-three".