102585817452 has 12 divisors (see below), whose sum is σ = 239366907416. Its totient is φ = 34195272480.

The previous prime is 102585817417. The next prime is 102585817487. The reversal of 102585817452 is 254718585201.

It is an interprime number because it is at equal distance from previous prime (102585817417) and next prime (102585817487).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274409049 + ... + 4274409072.

Almost surely, 2^102585817452 is an apocalyptic number.

102585817452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102585817452 is an abundant number, since it is smaller than the sum of its proper divisors (136781089964).

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

102585817452 is a wasteful number, since it uses less digits than its factorization.

102585817452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548818128 (or 8548818126 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 48.

The spelling of 102585817452 in words is "one hundred two billion, five hundred eighty-five million, eight hundred seventeen thousand, four hundred fifty-two".