102105605587 has 2 divisors, whose sum is σ = 102105605588. Its totient is φ = 102105605586.

The previous prime is 102105605551. The next prime is 102105605597. The reversal of 102105605587 is 785506501201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102105605587 - 2²³ = 102097216979 is a prime.

It is a super-2 number, since 2×102105605587² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102105605507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51052802793 + 51052802794.

It is an arithmetic number, because the mean of its divisors is an integer number (51052802794).

Almost surely, 2^102105605587 is an apocalyptic number.

102105605587 is a deficient number, since it is larger than the sum of its proper divisors (1).

102105605587 is an equidigital number, since it uses as much as digits as its factorization.

102105605587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 102105605587 in words is "one hundred two billion, one hundred five million, six hundred five thousand, five hundred eighty-seven".