102243556587 has 16 divisors (see below), whose sum is σ = 139359467520. Its totient is φ = 66647804352.

The previous prime is 102243556511. The next prime is 102243556601. The reversal of 102243556587 is 785655342201.

It is not a de Polignac number, because 102243556587 - 2¹⁹ = 102243032299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102243556507) 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, 202458 + ... + 495455.

It is an arithmetic number, because the mean of its divisors is an integer number (8709966720).

Almost surely, 2^102243556587 is an apocalyptic number.

102243556587 is a deficient number, since it is larger than the sum of its proper divisors (37115910933).

102243556587 is a wasteful number, since it uses less digits than its factorization.

102243556587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699002.

The product of its (nonzero) digits is 2016000, while the sum is 48.

Adding to 102243556587 its reverse (785655342201), we get a palindrome (887898898788).

The spelling of 102243556587 in words is "one hundred two billion, two hundred forty-three million, five hundred fifty-six thousand, five hundred eighty-seven".